Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ |
| 18 | |
Joe Perches | 02f7719 | 2012-01-15 00:38:44 -0800 | [diff] [blame] | 19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 20 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 21 | #include <linux/kernel.h> |
| 22 | #include <linux/if_arp.h> |
| 23 | #include <linux/sched.h> |
| 24 | #include <linux/kthread.h> |
| 25 | #include <linux/netdevice.h> |
| 26 | #include <linux/bitops.h> |
| 27 | #include <linux/etherdevice.h> |
| 28 | #include <linux/ieee80211.h> |
| 29 | #include <linux/uaccess.h> |
| 30 | #include <net/cfg80211.h> |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 31 | #include <net/netlink.h> |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 32 | |
| 33 | #include <brcmu_utils.h> |
| 34 | #include <defs.h> |
| 35 | #include <brcmu_wifi.h> |
| 36 | #include "dhd.h" |
| 37 | #include "wl_cfg80211.h" |
| 38 | |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 39 | #define BRCMF_SCAN_IE_LEN_MAX 2048 |
| 40 | #define BRCMF_PNO_VERSION 2 |
| 41 | #define BRCMF_PNO_TIME 30 |
| 42 | #define BRCMF_PNO_REPEAT 4 |
| 43 | #define BRCMF_PNO_FREQ_EXPO_MAX 3 |
| 44 | #define BRCMF_PNO_MAX_PFN_COUNT 16 |
| 45 | #define BRCMF_PNO_ENABLE_ADAPTSCAN_BIT 6 |
| 46 | #define BRCMF_PNO_HIDDEN_BIT 2 |
| 47 | #define BRCMF_PNO_WPA_AUTH_ANY 0xFFFFFFFF |
| 48 | #define BRCMF_PNO_SCAN_COMPLETE 1 |
| 49 | #define BRCMF_PNO_SCAN_INCOMPLETE 0 |
| 50 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 51 | #define TLV_LEN_OFF 1 /* length offset */ |
Hante Meuleman | 0401289 | 2012-09-27 14:17:49 +0200 | [diff] [blame] | 52 | #define TLV_HDR_LEN 2 /* header length */ |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 53 | #define TLV_BODY_OFF 2 /* body offset */ |
| 54 | #define TLV_OUI_LEN 3 /* oui id length */ |
| 55 | #define WPA_OUI "\x00\x50\xF2" /* WPA OUI */ |
| 56 | #define WPA_OUI_TYPE 1 |
| 57 | #define RSN_OUI "\x00\x0F\xAC" /* RSN OUI */ |
| 58 | #define WME_OUI_TYPE 2 |
| 59 | |
| 60 | #define VS_IE_FIXED_HDR_LEN 6 |
| 61 | #define WPA_IE_VERSION_LEN 2 |
| 62 | #define WPA_IE_MIN_OUI_LEN 4 |
| 63 | #define WPA_IE_SUITE_COUNT_LEN 2 |
| 64 | |
| 65 | #define WPA_CIPHER_NONE 0 /* None */ |
| 66 | #define WPA_CIPHER_WEP_40 1 /* WEP (40-bit) */ |
| 67 | #define WPA_CIPHER_TKIP 2 /* TKIP: default for WPA */ |
| 68 | #define WPA_CIPHER_AES_CCM 4 /* AES (CCM) */ |
| 69 | #define WPA_CIPHER_WEP_104 5 /* WEP (104-bit) */ |
| 70 | |
| 71 | #define RSN_AKM_NONE 0 /* None (IBSS) */ |
| 72 | #define RSN_AKM_UNSPECIFIED 1 /* Over 802.1x */ |
| 73 | #define RSN_AKM_PSK 2 /* Pre-shared Key */ |
| 74 | #define RSN_CAP_LEN 2 /* Length of RSN capabilities */ |
| 75 | #define RSN_CAP_PTK_REPLAY_CNTR_MASK 0x000C |
| 76 | |
| 77 | #define VNDR_IE_CMD_LEN 4 /* length of the set command |
| 78 | * string :"add", "del" (+ NUL) |
| 79 | */ |
| 80 | #define VNDR_IE_COUNT_OFFSET 4 |
| 81 | #define VNDR_IE_PKTFLAG_OFFSET 8 |
| 82 | #define VNDR_IE_VSIE_OFFSET 12 |
| 83 | #define VNDR_IE_HDR_SIZE 12 |
| 84 | #define VNDR_IE_BEACON_FLAG 0x1 |
| 85 | #define VNDR_IE_PRBRSP_FLAG 0x2 |
| 86 | #define MAX_VNDR_IE_NUMBER 5 |
| 87 | |
| 88 | #define DOT11_MGMT_HDR_LEN 24 /* d11 management header len */ |
| 89 | #define DOT11_BCN_PRB_FIXED_LEN 12 /* beacon/probe fixed length */ |
Hante Meuleman | 0401289 | 2012-09-27 14:17:49 +0200 | [diff] [blame] | 90 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 91 | #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ |
| 92 | (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) |
| 93 | |
| 94 | static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; |
| 95 | |
| 96 | static u32 brcmf_dbg_level = WL_DBG_ERR; |
| 97 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 98 | static bool check_sys_up(struct wiphy *wiphy) |
| 99 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 100 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 101 | if (!test_bit(WL_STATUS_READY, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 102 | WL_INFO("device is not ready : status (%d)\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 103 | (int)cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 104 | return false; |
| 105 | } |
| 106 | return true; |
| 107 | } |
| 108 | |
| 109 | #define CHAN2G(_channel, _freq, _flags) { \ |
| 110 | .band = IEEE80211_BAND_2GHZ, \ |
| 111 | .center_freq = (_freq), \ |
| 112 | .hw_value = (_channel), \ |
| 113 | .flags = (_flags), \ |
| 114 | .max_antenna_gain = 0, \ |
| 115 | .max_power = 30, \ |
| 116 | } |
| 117 | |
| 118 | #define CHAN5G(_channel, _flags) { \ |
| 119 | .band = IEEE80211_BAND_5GHZ, \ |
| 120 | .center_freq = 5000 + (5 * (_channel)), \ |
| 121 | .hw_value = (_channel), \ |
| 122 | .flags = (_flags), \ |
| 123 | .max_antenna_gain = 0, \ |
| 124 | .max_power = 30, \ |
| 125 | } |
| 126 | |
| 127 | #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) |
| 128 | #define RATETAB_ENT(_rateid, _flags) \ |
| 129 | { \ |
| 130 | .bitrate = RATE_TO_BASE100KBPS(_rateid), \ |
| 131 | .hw_value = (_rateid), \ |
| 132 | .flags = (_flags), \ |
| 133 | } |
| 134 | |
| 135 | static struct ieee80211_rate __wl_rates[] = { |
| 136 | RATETAB_ENT(BRCM_RATE_1M, 0), |
| 137 | RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), |
| 138 | RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), |
| 139 | RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), |
| 140 | RATETAB_ENT(BRCM_RATE_6M, 0), |
| 141 | RATETAB_ENT(BRCM_RATE_9M, 0), |
| 142 | RATETAB_ENT(BRCM_RATE_12M, 0), |
| 143 | RATETAB_ENT(BRCM_RATE_18M, 0), |
| 144 | RATETAB_ENT(BRCM_RATE_24M, 0), |
| 145 | RATETAB_ENT(BRCM_RATE_36M, 0), |
| 146 | RATETAB_ENT(BRCM_RATE_48M, 0), |
| 147 | RATETAB_ENT(BRCM_RATE_54M, 0), |
| 148 | }; |
| 149 | |
| 150 | #define wl_a_rates (__wl_rates + 4) |
| 151 | #define wl_a_rates_size 8 |
| 152 | #define wl_g_rates (__wl_rates + 0) |
| 153 | #define wl_g_rates_size 12 |
| 154 | |
| 155 | static struct ieee80211_channel __wl_2ghz_channels[] = { |
| 156 | CHAN2G(1, 2412, 0), |
| 157 | CHAN2G(2, 2417, 0), |
| 158 | CHAN2G(3, 2422, 0), |
| 159 | CHAN2G(4, 2427, 0), |
| 160 | CHAN2G(5, 2432, 0), |
| 161 | CHAN2G(6, 2437, 0), |
| 162 | CHAN2G(7, 2442, 0), |
| 163 | CHAN2G(8, 2447, 0), |
| 164 | CHAN2G(9, 2452, 0), |
| 165 | CHAN2G(10, 2457, 0), |
| 166 | CHAN2G(11, 2462, 0), |
| 167 | CHAN2G(12, 2467, 0), |
| 168 | CHAN2G(13, 2472, 0), |
| 169 | CHAN2G(14, 2484, 0), |
| 170 | }; |
| 171 | |
| 172 | static struct ieee80211_channel __wl_5ghz_a_channels[] = { |
| 173 | CHAN5G(34, 0), CHAN5G(36, 0), |
| 174 | CHAN5G(38, 0), CHAN5G(40, 0), |
| 175 | CHAN5G(42, 0), CHAN5G(44, 0), |
| 176 | CHAN5G(46, 0), CHAN5G(48, 0), |
| 177 | CHAN5G(52, 0), CHAN5G(56, 0), |
| 178 | CHAN5G(60, 0), CHAN5G(64, 0), |
| 179 | CHAN5G(100, 0), CHAN5G(104, 0), |
| 180 | CHAN5G(108, 0), CHAN5G(112, 0), |
| 181 | CHAN5G(116, 0), CHAN5G(120, 0), |
| 182 | CHAN5G(124, 0), CHAN5G(128, 0), |
| 183 | CHAN5G(132, 0), CHAN5G(136, 0), |
| 184 | CHAN5G(140, 0), CHAN5G(149, 0), |
| 185 | CHAN5G(153, 0), CHAN5G(157, 0), |
| 186 | CHAN5G(161, 0), CHAN5G(165, 0), |
| 187 | CHAN5G(184, 0), CHAN5G(188, 0), |
| 188 | CHAN5G(192, 0), CHAN5G(196, 0), |
| 189 | CHAN5G(200, 0), CHAN5G(204, 0), |
| 190 | CHAN5G(208, 0), CHAN5G(212, 0), |
| 191 | CHAN5G(216, 0), |
| 192 | }; |
| 193 | |
| 194 | static struct ieee80211_channel __wl_5ghz_n_channels[] = { |
| 195 | CHAN5G(32, 0), CHAN5G(34, 0), |
| 196 | CHAN5G(36, 0), CHAN5G(38, 0), |
| 197 | CHAN5G(40, 0), CHAN5G(42, 0), |
| 198 | CHAN5G(44, 0), CHAN5G(46, 0), |
| 199 | CHAN5G(48, 0), CHAN5G(50, 0), |
| 200 | CHAN5G(52, 0), CHAN5G(54, 0), |
| 201 | CHAN5G(56, 0), CHAN5G(58, 0), |
| 202 | CHAN5G(60, 0), CHAN5G(62, 0), |
| 203 | CHAN5G(64, 0), CHAN5G(66, 0), |
| 204 | CHAN5G(68, 0), CHAN5G(70, 0), |
| 205 | CHAN5G(72, 0), CHAN5G(74, 0), |
| 206 | CHAN5G(76, 0), CHAN5G(78, 0), |
| 207 | CHAN5G(80, 0), CHAN5G(82, 0), |
| 208 | CHAN5G(84, 0), CHAN5G(86, 0), |
| 209 | CHAN5G(88, 0), CHAN5G(90, 0), |
| 210 | CHAN5G(92, 0), CHAN5G(94, 0), |
| 211 | CHAN5G(96, 0), CHAN5G(98, 0), |
| 212 | CHAN5G(100, 0), CHAN5G(102, 0), |
| 213 | CHAN5G(104, 0), CHAN5G(106, 0), |
| 214 | CHAN5G(108, 0), CHAN5G(110, 0), |
| 215 | CHAN5G(112, 0), CHAN5G(114, 0), |
| 216 | CHAN5G(116, 0), CHAN5G(118, 0), |
| 217 | CHAN5G(120, 0), CHAN5G(122, 0), |
| 218 | CHAN5G(124, 0), CHAN5G(126, 0), |
| 219 | CHAN5G(128, 0), CHAN5G(130, 0), |
| 220 | CHAN5G(132, 0), CHAN5G(134, 0), |
| 221 | CHAN5G(136, 0), CHAN5G(138, 0), |
| 222 | CHAN5G(140, 0), CHAN5G(142, 0), |
| 223 | CHAN5G(144, 0), CHAN5G(145, 0), |
| 224 | CHAN5G(146, 0), CHAN5G(147, 0), |
| 225 | CHAN5G(148, 0), CHAN5G(149, 0), |
| 226 | CHAN5G(150, 0), CHAN5G(151, 0), |
| 227 | CHAN5G(152, 0), CHAN5G(153, 0), |
| 228 | CHAN5G(154, 0), CHAN5G(155, 0), |
| 229 | CHAN5G(156, 0), CHAN5G(157, 0), |
| 230 | CHAN5G(158, 0), CHAN5G(159, 0), |
| 231 | CHAN5G(160, 0), CHAN5G(161, 0), |
| 232 | CHAN5G(162, 0), CHAN5G(163, 0), |
| 233 | CHAN5G(164, 0), CHAN5G(165, 0), |
| 234 | CHAN5G(166, 0), CHAN5G(168, 0), |
| 235 | CHAN5G(170, 0), CHAN5G(172, 0), |
| 236 | CHAN5G(174, 0), CHAN5G(176, 0), |
| 237 | CHAN5G(178, 0), CHAN5G(180, 0), |
| 238 | CHAN5G(182, 0), CHAN5G(184, 0), |
| 239 | CHAN5G(186, 0), CHAN5G(188, 0), |
| 240 | CHAN5G(190, 0), CHAN5G(192, 0), |
| 241 | CHAN5G(194, 0), CHAN5G(196, 0), |
| 242 | CHAN5G(198, 0), CHAN5G(200, 0), |
| 243 | CHAN5G(202, 0), CHAN5G(204, 0), |
| 244 | CHAN5G(206, 0), CHAN5G(208, 0), |
| 245 | CHAN5G(210, 0), CHAN5G(212, 0), |
| 246 | CHAN5G(214, 0), CHAN5G(216, 0), |
| 247 | CHAN5G(218, 0), CHAN5G(220, 0), |
| 248 | CHAN5G(222, 0), CHAN5G(224, 0), |
| 249 | CHAN5G(226, 0), CHAN5G(228, 0), |
| 250 | }; |
| 251 | |
| 252 | static struct ieee80211_supported_band __wl_band_2ghz = { |
| 253 | .band = IEEE80211_BAND_2GHZ, |
| 254 | .channels = __wl_2ghz_channels, |
| 255 | .n_channels = ARRAY_SIZE(__wl_2ghz_channels), |
| 256 | .bitrates = wl_g_rates, |
| 257 | .n_bitrates = wl_g_rates_size, |
| 258 | }; |
| 259 | |
| 260 | static struct ieee80211_supported_band __wl_band_5ghz_a = { |
| 261 | .band = IEEE80211_BAND_5GHZ, |
| 262 | .channels = __wl_5ghz_a_channels, |
| 263 | .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), |
| 264 | .bitrates = wl_a_rates, |
| 265 | .n_bitrates = wl_a_rates_size, |
| 266 | }; |
| 267 | |
| 268 | static struct ieee80211_supported_band __wl_band_5ghz_n = { |
| 269 | .band = IEEE80211_BAND_5GHZ, |
| 270 | .channels = __wl_5ghz_n_channels, |
| 271 | .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), |
| 272 | .bitrates = wl_a_rates, |
| 273 | .n_bitrates = wl_a_rates_size, |
| 274 | }; |
| 275 | |
| 276 | static const u32 __wl_cipher_suites[] = { |
| 277 | WLAN_CIPHER_SUITE_WEP40, |
| 278 | WLAN_CIPHER_SUITE_WEP104, |
| 279 | WLAN_CIPHER_SUITE_TKIP, |
| 280 | WLAN_CIPHER_SUITE_CCMP, |
| 281 | WLAN_CIPHER_SUITE_AES_CMAC, |
| 282 | }; |
| 283 | |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 284 | /* tag_ID/length/value_buffer tuple */ |
| 285 | struct brcmf_tlv { |
| 286 | u8 id; |
| 287 | u8 len; |
| 288 | u8 data[1]; |
| 289 | }; |
| 290 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 291 | /* Vendor specific ie. id = 221, oui and type defines exact ie */ |
| 292 | struct brcmf_vs_tlv { |
| 293 | u8 id; |
| 294 | u8 len; |
| 295 | u8 oui[3]; |
| 296 | u8 oui_type; |
| 297 | }; |
| 298 | |
| 299 | struct parsed_vndr_ie_info { |
| 300 | u8 *ie_ptr; |
| 301 | u32 ie_len; /* total length including id & length field */ |
| 302 | struct brcmf_vs_tlv vndrie; |
| 303 | }; |
| 304 | |
| 305 | struct parsed_vndr_ies { |
| 306 | u32 count; |
| 307 | struct parsed_vndr_ie_info ie_info[MAX_VNDR_IE_NUMBER]; |
| 308 | }; |
| 309 | |
Alwin Beukers | ef6ac17 | 2011-10-12 20:51:26 +0200 | [diff] [blame] | 310 | /* Quarter dBm units to mW |
| 311 | * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 |
| 312 | * Table is offset so the last entry is largest mW value that fits in |
| 313 | * a u16. |
| 314 | */ |
| 315 | |
| 316 | #define QDBM_OFFSET 153 /* Offset for first entry */ |
| 317 | #define QDBM_TABLE_LEN 40 /* Table size */ |
| 318 | |
| 319 | /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET. |
| 320 | * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2 |
| 321 | */ |
| 322 | #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */ |
| 323 | |
| 324 | /* Largest mW value that will round down to the last table entry, |
| 325 | * QDBM_OFFSET + QDBM_TABLE_LEN-1. |
| 326 | * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + |
| 327 | * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2. |
| 328 | */ |
| 329 | #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */ |
| 330 | |
| 331 | static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = { |
| 332 | /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */ |
| 333 | /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000, |
| 334 | /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849, |
| 335 | /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119, |
| 336 | /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811, |
| 337 | /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096 |
| 338 | }; |
| 339 | |
| 340 | static u16 brcmf_qdbm_to_mw(u8 qdbm) |
| 341 | { |
| 342 | uint factor = 1; |
| 343 | int idx = qdbm - QDBM_OFFSET; |
| 344 | |
| 345 | if (idx >= QDBM_TABLE_LEN) |
| 346 | /* clamp to max u16 mW value */ |
| 347 | return 0xFFFF; |
| 348 | |
| 349 | /* scale the qdBm index up to the range of the table 0-40 |
| 350 | * where an offset of 40 qdBm equals a factor of 10 mW. |
| 351 | */ |
| 352 | while (idx < 0) { |
| 353 | idx += 40; |
| 354 | factor *= 10; |
| 355 | } |
| 356 | |
| 357 | /* return the mW value scaled down to the correct factor of 10, |
| 358 | * adding in factor/2 to get proper rounding. |
| 359 | */ |
| 360 | return (nqdBm_to_mW_map[idx] + factor / 2) / factor; |
| 361 | } |
| 362 | |
| 363 | static u8 brcmf_mw_to_qdbm(u16 mw) |
| 364 | { |
| 365 | u8 qdbm; |
| 366 | int offset; |
| 367 | uint mw_uint = mw; |
| 368 | uint boundary; |
| 369 | |
| 370 | /* handle boundary case */ |
| 371 | if (mw_uint <= 1) |
| 372 | return 0; |
| 373 | |
| 374 | offset = QDBM_OFFSET; |
| 375 | |
| 376 | /* move mw into the range of the table */ |
| 377 | while (mw_uint < QDBM_TABLE_LOW_BOUND) { |
| 378 | mw_uint *= 10; |
| 379 | offset -= 40; |
| 380 | } |
| 381 | |
| 382 | for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) { |
| 383 | boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] - |
| 384 | nqdBm_to_mW_map[qdbm]) / 2; |
| 385 | if (mw_uint < boundary) |
| 386 | break; |
| 387 | } |
| 388 | |
| 389 | qdbm += (u8) offset; |
| 390 | |
| 391 | return qdbm; |
| 392 | } |
| 393 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 394 | /* function for reading/writing a single u32 from/to the dongle */ |
| 395 | static int |
| 396 | brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par) |
| 397 | { |
| 398 | int err; |
| 399 | __le32 par_le = cpu_to_le32(*par); |
| 400 | |
| 401 | err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32)); |
| 402 | *par = le32_to_cpu(par_le); |
| 403 | |
| 404 | return err; |
| 405 | } |
| 406 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 407 | static s32 |
| 408 | brcmf_dev_iovar_setbuf_bsscfg(struct net_device *ndev, s8 *name, |
| 409 | void *param, s32 paramlen, |
| 410 | void *buf, s32 buflen, s32 bssidx) |
| 411 | { |
| 412 | s32 err = -ENOMEM; |
| 413 | u32 len; |
| 414 | |
| 415 | len = brcmf_c_mkiovar_bsscfg(name, param, paramlen, |
| 416 | buf, buflen, bssidx); |
| 417 | BUG_ON(!len); |
| 418 | if (len > 0) |
| 419 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); |
| 420 | if (err) |
| 421 | WL_ERR("error (%d)\n", err); |
| 422 | |
| 423 | return err; |
| 424 | } |
| 425 | |
| 426 | static s32 |
| 427 | brcmf_dev_iovar_getbuf_bsscfg(struct net_device *ndev, s8 *name, |
| 428 | void *param, s32 paramlen, |
| 429 | void *buf, s32 buflen, s32 bssidx) |
| 430 | { |
| 431 | s32 err = -ENOMEM; |
| 432 | u32 len; |
| 433 | |
| 434 | len = brcmf_c_mkiovar_bsscfg(name, param, paramlen, |
| 435 | buf, buflen, bssidx); |
| 436 | BUG_ON(!len); |
| 437 | if (len > 0) |
| 438 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, buf, len); |
| 439 | if (err) |
| 440 | WL_ERR("error (%d)\n", err); |
| 441 | |
| 442 | return err; |
| 443 | } |
| 444 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 445 | static void convert_key_from_CPU(struct brcmf_wsec_key *key, |
| 446 | struct brcmf_wsec_key_le *key_le) |
| 447 | { |
| 448 | key_le->index = cpu_to_le32(key->index); |
| 449 | key_le->len = cpu_to_le32(key->len); |
| 450 | key_le->algo = cpu_to_le32(key->algo); |
| 451 | key_le->flags = cpu_to_le32(key->flags); |
| 452 | key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); |
| 453 | key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); |
| 454 | key_le->iv_initialized = cpu_to_le32(key->iv_initialized); |
| 455 | memcpy(key_le->data, key->data, sizeof(key->data)); |
| 456 | memcpy(key_le->ea, key->ea, sizeof(key->ea)); |
| 457 | } |
| 458 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 459 | static int |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 460 | send_key_to_dongle(struct brcmf_cfg80211_info *cfg, s32 bssidx, |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 461 | struct net_device *ndev, struct brcmf_wsec_key *key) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 462 | { |
| 463 | int err; |
| 464 | struct brcmf_wsec_key_le key_le; |
| 465 | |
| 466 | convert_key_from_CPU(key, &key_le); |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 467 | |
| 468 | err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le, |
| 469 | sizeof(key_le), |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 470 | cfg->extra_buf, |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 471 | WL_EXTRA_BUF_MAX, bssidx); |
| 472 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 473 | if (err) |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 474 | WL_ERR("wsec_key error (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 475 | return err; |
| 476 | } |
| 477 | |
| 478 | static s32 |
| 479 | brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, |
| 480 | enum nl80211_iftype type, u32 *flags, |
| 481 | struct vif_params *params) |
| 482 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 483 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 484 | s32 infra = 0; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 485 | s32 ap = 0; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 486 | s32 err = 0; |
| 487 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 488 | WL_TRACE("Enter, ndev=%p, type=%d\n", ndev, type); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 489 | |
| 490 | switch (type) { |
| 491 | case NL80211_IFTYPE_MONITOR: |
| 492 | case NL80211_IFTYPE_WDS: |
| 493 | WL_ERR("type (%d) : currently we do not support this type\n", |
| 494 | type); |
| 495 | return -EOPNOTSUPP; |
| 496 | case NL80211_IFTYPE_ADHOC: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 497 | cfg->conf->mode = WL_MODE_IBSS; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 498 | infra = 0; |
| 499 | break; |
| 500 | case NL80211_IFTYPE_STATION: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 501 | cfg->conf->mode = WL_MODE_BSS; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 502 | infra = 1; |
| 503 | break; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 504 | case NL80211_IFTYPE_AP: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 505 | cfg->conf->mode = WL_MODE_AP; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 506 | ap = 1; |
| 507 | break; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 508 | default: |
| 509 | err = -EINVAL; |
| 510 | goto done; |
| 511 | } |
| 512 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 513 | if (ap) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 514 | set_bit(WL_STATUS_AP_CREATING, &cfg->status); |
| 515 | if (!cfg->ap_info) |
| 516 | cfg->ap_info = kzalloc(sizeof(*cfg->ap_info), |
| 517 | GFP_KERNEL); |
| 518 | if (!cfg->ap_info) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 519 | err = -ENOMEM; |
| 520 | goto done; |
| 521 | } |
| 522 | WL_INFO("IF Type = AP\n"); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 523 | } else { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 524 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); |
| 525 | if (err) { |
| 526 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); |
| 527 | err = -EAGAIN; |
| 528 | goto done; |
| 529 | } |
| 530 | WL_INFO("IF Type = %s\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 531 | (cfg->conf->mode == WL_MODE_IBSS) ? |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 532 | "Adhoc" : "Infra"); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 533 | } |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 534 | ndev->ieee80211_ptr->iftype = type; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 535 | |
| 536 | done: |
| 537 | WL_TRACE("Exit\n"); |
| 538 | |
| 539 | return err; |
| 540 | } |
| 541 | |
| 542 | static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val) |
| 543 | { |
| 544 | s8 buf[BRCMF_DCMD_SMLEN]; |
| 545 | u32 len; |
| 546 | s32 err = 0; |
| 547 | __le32 val_le; |
| 548 | |
| 549 | val_le = cpu_to_le32(val); |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 550 | len = brcmf_c_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 551 | sizeof(buf)); |
| 552 | BUG_ON(!len); |
| 553 | |
| 554 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); |
| 555 | if (err) |
| 556 | WL_ERR("error (%d)\n", err); |
| 557 | |
| 558 | return err; |
| 559 | } |
| 560 | |
| 561 | static s32 |
| 562 | brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval) |
| 563 | { |
| 564 | union { |
| 565 | s8 buf[BRCMF_DCMD_SMLEN]; |
| 566 | __le32 val; |
| 567 | } var; |
| 568 | u32 len; |
| 569 | u32 data_null; |
| 570 | s32 err = 0; |
| 571 | |
| 572 | len = |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 573 | brcmf_c_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 574 | sizeof(var.buf)); |
| 575 | BUG_ON(!len); |
| 576 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len); |
| 577 | if (err) |
| 578 | WL_ERR("error (%d)\n", err); |
| 579 | |
| 580 | *retval = le32_to_cpu(var.val); |
| 581 | |
| 582 | return err; |
| 583 | } |
| 584 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 585 | static s32 |
| 586 | brcmf_dev_intvar_set_bsscfg(struct net_device *ndev, s8 *name, u32 val, |
| 587 | s32 bssidx) |
| 588 | { |
| 589 | s8 buf[BRCMF_DCMD_SMLEN]; |
| 590 | __le32 val_le; |
| 591 | |
| 592 | val_le = cpu_to_le32(val); |
| 593 | |
| 594 | return brcmf_dev_iovar_setbuf_bsscfg(ndev, name, &val_le, |
| 595 | sizeof(val_le), buf, sizeof(buf), |
| 596 | bssidx); |
| 597 | } |
| 598 | |
| 599 | static s32 |
| 600 | brcmf_dev_intvar_get_bsscfg(struct net_device *ndev, s8 *name, s32 *val, |
| 601 | s32 bssidx) |
| 602 | { |
| 603 | s8 buf[BRCMF_DCMD_SMLEN]; |
| 604 | s32 err; |
| 605 | __le32 val_le; |
| 606 | |
| 607 | memset(buf, 0, sizeof(buf)); |
| 608 | err = brcmf_dev_iovar_getbuf_bsscfg(ndev, name, val, sizeof(*val), buf, |
| 609 | sizeof(buf), bssidx); |
| 610 | if (err == 0) { |
| 611 | memcpy(&val_le, buf, sizeof(val_le)); |
| 612 | *val = le32_to_cpu(val_le); |
| 613 | } |
| 614 | return err; |
| 615 | } |
| 616 | |
| 617 | |
| 618 | /* |
| 619 | * For now brcmf_find_bssidx will return 0. Once p2p gets implemented this |
| 620 | * should return the ndev matching bssidx. |
| 621 | */ |
| 622 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 623 | brcmf_find_bssidx(struct brcmf_cfg80211_info *cfg, struct net_device *ndev) |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 624 | { |
| 625 | return 0; |
| 626 | } |
| 627 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 628 | static void brcmf_set_mpc(struct net_device *ndev, int mpc) |
| 629 | { |
| 630 | s32 err = 0; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 631 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 632 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 633 | if (test_bit(WL_STATUS_READY, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 634 | err = brcmf_dev_intvar_set(ndev, "mpc", mpc); |
| 635 | if (err) { |
| 636 | WL_ERR("fail to set mpc\n"); |
| 637 | return; |
| 638 | } |
| 639 | WL_INFO("MPC : %d\n", mpc); |
| 640 | } |
| 641 | } |
| 642 | |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 643 | static void brcmf_iscan_prep(struct brcmf_scan_params_le *params_le, |
| 644 | struct brcmf_ssid *ssid) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 645 | { |
| 646 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); |
| 647 | params_le->bss_type = DOT11_BSSTYPE_ANY; |
| 648 | params_le->scan_type = 0; |
| 649 | params_le->channel_num = 0; |
| 650 | params_le->nprobes = cpu_to_le32(-1); |
| 651 | params_le->active_time = cpu_to_le32(-1); |
| 652 | params_le->passive_time = cpu_to_le32(-1); |
| 653 | params_le->home_time = cpu_to_le32(-1); |
Hante Meuleman | ed205b3 | 2012-09-11 21:16:47 +0200 | [diff] [blame] | 654 | if (ssid && ssid->SSID_len) { |
| 655 | params_le->ssid_le.SSID_len = cpu_to_le32(ssid->SSID_len); |
| 656 | memcpy(¶ms_le->ssid_le.SSID, ssid->SSID, ssid->SSID_len); |
| 657 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 658 | } |
| 659 | |
| 660 | static s32 |
| 661 | brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param, |
| 662 | s32 paramlen, void *bufptr, s32 buflen) |
| 663 | { |
| 664 | s32 iolen; |
| 665 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 666 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 667 | BUG_ON(!iolen); |
| 668 | |
| 669 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen); |
| 670 | } |
| 671 | |
| 672 | static s32 |
| 673 | brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param, |
| 674 | s32 paramlen, void *bufptr, s32 buflen) |
| 675 | { |
| 676 | s32 iolen; |
| 677 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 678 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 679 | BUG_ON(!iolen); |
| 680 | |
| 681 | return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen); |
| 682 | } |
| 683 | |
| 684 | static s32 |
| 685 | brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan, |
| 686 | struct brcmf_ssid *ssid, u16 action) |
| 687 | { |
| 688 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + |
| 689 | offsetof(struct brcmf_iscan_params_le, params_le); |
| 690 | struct brcmf_iscan_params_le *params; |
| 691 | s32 err = 0; |
| 692 | |
| 693 | if (ssid && ssid->SSID_len) |
| 694 | params_size += sizeof(struct brcmf_ssid); |
| 695 | params = kzalloc(params_size, GFP_KERNEL); |
| 696 | if (!params) |
| 697 | return -ENOMEM; |
| 698 | BUG_ON(params_size >= BRCMF_DCMD_SMLEN); |
| 699 | |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 700 | brcmf_iscan_prep(¶ms->params_le, ssid); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 701 | |
| 702 | params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION); |
| 703 | params->action = cpu_to_le16(action); |
| 704 | params->scan_duration = cpu_to_le16(0); |
| 705 | |
| 706 | err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size, |
| 707 | iscan->dcmd_buf, BRCMF_DCMD_SMLEN); |
| 708 | if (err) { |
| 709 | if (err == -EBUSY) |
| 710 | WL_INFO("system busy : iscan canceled\n"); |
| 711 | else |
| 712 | WL_ERR("error (%d)\n", err); |
| 713 | } |
| 714 | |
| 715 | kfree(params); |
| 716 | return err; |
| 717 | } |
| 718 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 719 | static s32 brcmf_do_iscan(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 720 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 721 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
| 722 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 723 | struct brcmf_ssid ssid; |
Arend van Spriel | 6683107 | 2011-10-12 20:51:19 +0200 | [diff] [blame] | 724 | __le32 passive_scan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 725 | s32 err = 0; |
| 726 | |
| 727 | /* Broadcast scan by default */ |
| 728 | memset(&ssid, 0, sizeof(ssid)); |
| 729 | |
| 730 | iscan->state = WL_ISCAN_STATE_SCANING; |
| 731 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 732 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
| 733 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCMF_C_SET_PASSIVE_SCAN, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 734 | &passive_scan, sizeof(passive_scan)); |
| 735 | if (err) { |
| 736 | WL_ERR("error (%d)\n", err); |
| 737 | return err; |
| 738 | } |
| 739 | brcmf_set_mpc(ndev, 0); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 740 | cfg->iscan_kickstart = true; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 741 | err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START); |
| 742 | if (err) { |
| 743 | brcmf_set_mpc(ndev, 1); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 744 | cfg->iscan_kickstart = false; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 745 | return err; |
| 746 | } |
| 747 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 748 | iscan->timer_on = 1; |
| 749 | return err; |
| 750 | } |
| 751 | |
| 752 | static s32 |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 753 | brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev, |
| 754 | struct cfg80211_scan_request *request, |
| 755 | struct cfg80211_ssid *this_ssid) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 756 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 757 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 758 | struct cfg80211_ssid *ssids; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 759 | struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int; |
Arend van Spriel | 6683107 | 2011-10-12 20:51:19 +0200 | [diff] [blame] | 760 | __le32 passive_scan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 761 | bool iscan_req; |
| 762 | bool spec_scan; |
| 763 | s32 err = 0; |
| 764 | u32 SSID_len; |
| 765 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 766 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
| 767 | WL_ERR("Scanning already : status (%lu)\n", cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 768 | return -EAGAIN; |
| 769 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 770 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 771 | WL_ERR("Scanning being aborted : status (%lu)\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 772 | cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 773 | return -EAGAIN; |
| 774 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 775 | if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 776 | WL_ERR("Connecting : status (%lu)\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 777 | cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 778 | return -EAGAIN; |
| 779 | } |
| 780 | |
| 781 | iscan_req = false; |
| 782 | spec_scan = false; |
| 783 | if (request) { |
| 784 | /* scan bss */ |
| 785 | ssids = request->ssids; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 786 | if (cfg->iscan_on && (!ssids || !ssids->ssid_len)) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 787 | iscan_req = true; |
| 788 | } else { |
| 789 | /* scan in ibss */ |
| 790 | /* we don't do iscan in ibss */ |
| 791 | ssids = this_ssid; |
| 792 | } |
| 793 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 794 | cfg->scan_request = request; |
| 795 | set_bit(WL_STATUS_SCANNING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 796 | if (iscan_req) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 797 | err = brcmf_do_iscan(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 798 | if (!err) |
| 799 | return err; |
| 800 | else |
| 801 | goto scan_out; |
| 802 | } else { |
| 803 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", |
| 804 | ssids->ssid, ssids->ssid_len); |
| 805 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); |
| 806 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); |
| 807 | sr->ssid_le.SSID_len = cpu_to_le32(0); |
| 808 | if (SSID_len) { |
| 809 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); |
| 810 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); |
| 811 | spec_scan = true; |
| 812 | } else { |
| 813 | WL_SCAN("Broadcast scan\n"); |
| 814 | } |
| 815 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 816 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 817 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| 818 | &passive_scan, sizeof(passive_scan)); |
| 819 | if (err) { |
| 820 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
| 821 | goto scan_out; |
| 822 | } |
| 823 | brcmf_set_mpc(ndev, 0); |
| 824 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, |
| 825 | sizeof(sr->ssid_le)); |
| 826 | if (err) { |
| 827 | if (err == -EBUSY) |
| 828 | WL_INFO("system busy : scan for \"%s\" " |
| 829 | "canceled\n", sr->ssid_le.SSID); |
| 830 | else |
| 831 | WL_ERR("WLC_SCAN error (%d)\n", err); |
| 832 | |
| 833 | brcmf_set_mpc(ndev, 1); |
| 834 | goto scan_out; |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | return 0; |
| 839 | |
| 840 | scan_out: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 841 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
| 842 | cfg->scan_request = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 843 | return err; |
| 844 | } |
| 845 | |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 846 | static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, |
| 847 | struct cfg80211_scan_request *request) |
| 848 | { |
| 849 | u32 n_ssids; |
| 850 | u32 n_channels; |
| 851 | s32 i; |
| 852 | s32 offset; |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 853 | u16 chanspec; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 854 | u16 channel; |
| 855 | struct ieee80211_channel *req_channel; |
| 856 | char *ptr; |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 857 | struct brcmf_ssid_le ssid_le; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 858 | |
| 859 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); |
| 860 | params_le->bss_type = DOT11_BSSTYPE_ANY; |
| 861 | params_le->scan_type = 0; |
| 862 | params_le->channel_num = 0; |
| 863 | params_le->nprobes = cpu_to_le32(-1); |
| 864 | params_le->active_time = cpu_to_le32(-1); |
| 865 | params_le->passive_time = cpu_to_le32(-1); |
| 866 | params_le->home_time = cpu_to_le32(-1); |
| 867 | memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); |
| 868 | |
| 869 | /* if request is null exit so it will be all channel broadcast scan */ |
| 870 | if (!request) |
| 871 | return; |
| 872 | |
| 873 | n_ssids = request->n_ssids; |
| 874 | n_channels = request->n_channels; |
| 875 | /* Copy channel array if applicable */ |
| 876 | WL_SCAN("### List of channelspecs to scan ### %d\n", n_channels); |
| 877 | if (n_channels > 0) { |
| 878 | for (i = 0; i < n_channels; i++) { |
| 879 | chanspec = 0; |
| 880 | req_channel = request->channels[i]; |
| 881 | channel = ieee80211_frequency_to_channel( |
| 882 | req_channel->center_freq); |
| 883 | if (req_channel->band == IEEE80211_BAND_2GHZ) |
| 884 | chanspec |= WL_CHANSPEC_BAND_2G; |
| 885 | else |
| 886 | chanspec |= WL_CHANSPEC_BAND_5G; |
| 887 | |
| 888 | if (req_channel->flags & IEEE80211_CHAN_NO_HT40) { |
| 889 | chanspec |= WL_CHANSPEC_BW_20; |
| 890 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; |
| 891 | } else { |
| 892 | chanspec |= WL_CHANSPEC_BW_40; |
| 893 | if (req_channel->flags & |
| 894 | IEEE80211_CHAN_NO_HT40PLUS) |
| 895 | chanspec |= WL_CHANSPEC_CTL_SB_LOWER; |
| 896 | else |
| 897 | chanspec |= WL_CHANSPEC_CTL_SB_UPPER; |
| 898 | } |
| 899 | |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 900 | chanspec |= (channel & WL_CHANSPEC_CHAN_MASK); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 901 | WL_SCAN("Chan : %d, Channel spec: %x\n", |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 902 | channel, chanspec); |
| 903 | params_le->channel_list[i] = cpu_to_le16(chanspec); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 904 | } |
| 905 | } else { |
| 906 | WL_SCAN("Scanning all channels\n"); |
| 907 | } |
| 908 | /* Copy ssid array if applicable */ |
| 909 | WL_SCAN("### List of SSIDs to scan ### %d\n", n_ssids); |
| 910 | if (n_ssids > 0) { |
| 911 | offset = offsetof(struct brcmf_scan_params_le, channel_list) + |
| 912 | n_channels * sizeof(u16); |
| 913 | offset = roundup(offset, sizeof(u32)); |
| 914 | ptr = (char *)params_le + offset; |
| 915 | for (i = 0; i < n_ssids; i++) { |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 916 | memset(&ssid_le, 0, sizeof(ssid_le)); |
| 917 | ssid_le.SSID_len = |
| 918 | cpu_to_le32(request->ssids[i].ssid_len); |
| 919 | memcpy(ssid_le.SSID, request->ssids[i].ssid, |
| 920 | request->ssids[i].ssid_len); |
| 921 | if (!ssid_le.SSID_len) |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 922 | WL_SCAN("%d: Broadcast scan\n", i); |
| 923 | else |
| 924 | WL_SCAN("%d: scan for %s size =%d\n", i, |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 925 | ssid_le.SSID, ssid_le.SSID_len); |
| 926 | memcpy(ptr, &ssid_le, sizeof(ssid_le)); |
| 927 | ptr += sizeof(ssid_le); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 928 | } |
| 929 | } else { |
| 930 | WL_SCAN("Broadcast scan %p\n", request->ssids); |
| 931 | if ((request->ssids) && request->ssids->ssid_len) { |
| 932 | WL_SCAN("SSID %s len=%d\n", params_le->ssid_le.SSID, |
| 933 | request->ssids->ssid_len); |
| 934 | params_le->ssid_le.SSID_len = |
| 935 | cpu_to_le32(request->ssids->ssid_len); |
| 936 | memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, |
| 937 | request->ssids->ssid_len); |
| 938 | } |
| 939 | } |
| 940 | /* Adding mask to channel numbers */ |
| 941 | params_le->channel_num = |
| 942 | cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | |
| 943 | (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); |
| 944 | } |
| 945 | |
| 946 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 947 | brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg, |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 948 | struct net_device *ndev, |
| 949 | bool aborted, bool fw_abort) |
| 950 | { |
| 951 | struct brcmf_scan_params_le params_le; |
| 952 | struct cfg80211_scan_request *scan_request; |
| 953 | s32 err = 0; |
| 954 | |
| 955 | WL_SCAN("Enter\n"); |
| 956 | |
| 957 | /* clear scan request, because the FW abort can cause a second call */ |
| 958 | /* to this functon and might cause a double cfg80211_scan_done */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 959 | scan_request = cfg->scan_request; |
| 960 | cfg->scan_request = NULL; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 961 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 962 | if (timer_pending(&cfg->escan_timeout)) |
| 963 | del_timer_sync(&cfg->escan_timeout); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 964 | |
| 965 | if (fw_abort) { |
| 966 | /* Do a scan abort to stop the driver's scan engine */ |
| 967 | WL_SCAN("ABORT scan in firmware\n"); |
| 968 | memset(¶ms_le, 0, sizeof(params_le)); |
| 969 | memcpy(params_le.bssid, ether_bcast, ETH_ALEN); |
| 970 | params_le.bss_type = DOT11_BSSTYPE_ANY; |
| 971 | params_le.scan_type = 0; |
| 972 | params_le.channel_num = cpu_to_le32(1); |
| 973 | params_le.nprobes = cpu_to_le32(1); |
| 974 | params_le.active_time = cpu_to_le32(-1); |
| 975 | params_le.passive_time = cpu_to_le32(-1); |
| 976 | params_le.home_time = cpu_to_le32(-1); |
| 977 | /* Scan is aborted by setting channel_list[0] to -1 */ |
| 978 | params_le.channel_list[0] = cpu_to_le16(-1); |
| 979 | /* E-Scan (or anyother type) can be aborted by SCAN */ |
| 980 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, ¶ms_le, |
| 981 | sizeof(params_le)); |
| 982 | if (err) |
| 983 | WL_ERR("Scan abort failed\n"); |
| 984 | } |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 985 | /* |
| 986 | * e-scan can be initiated by scheduled scan |
| 987 | * which takes precedence. |
| 988 | */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 989 | if (cfg->sched_escan) { |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 990 | WL_SCAN("scheduled scan completed\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 991 | cfg->sched_escan = false; |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 992 | if (!aborted) |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 993 | cfg80211_sched_scan_results(cfg_to_wiphy(cfg)); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 994 | brcmf_set_mpc(ndev, 1); |
| 995 | } else if (scan_request) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 996 | WL_SCAN("ESCAN Completed scan: %s\n", |
| 997 | aborted ? "Aborted" : "Done"); |
| 998 | cfg80211_scan_done(scan_request, aborted); |
| 999 | brcmf_set_mpc(ndev, 1); |
| 1000 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1001 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1002 | WL_ERR("Scan complete while device not scanning\n"); |
| 1003 | return -EPERM; |
| 1004 | } |
| 1005 | |
| 1006 | return err; |
| 1007 | } |
| 1008 | |
| 1009 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1010 | brcmf_run_escan(struct brcmf_cfg80211_info *cfg, struct net_device *ndev, |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1011 | struct cfg80211_scan_request *request, u16 action) |
| 1012 | { |
| 1013 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + |
| 1014 | offsetof(struct brcmf_escan_params_le, params_le); |
| 1015 | struct brcmf_escan_params_le *params; |
| 1016 | s32 err = 0; |
| 1017 | |
| 1018 | WL_SCAN("E-SCAN START\n"); |
| 1019 | |
| 1020 | if (request != NULL) { |
| 1021 | /* Allocate space for populating ssids in struct */ |
| 1022 | params_size += sizeof(u32) * ((request->n_channels + 1) / 2); |
| 1023 | |
| 1024 | /* Allocate space for populating ssids in struct */ |
| 1025 | params_size += sizeof(struct brcmf_ssid) * request->n_ssids; |
| 1026 | } |
| 1027 | |
| 1028 | params = kzalloc(params_size, GFP_KERNEL); |
| 1029 | if (!params) { |
| 1030 | err = -ENOMEM; |
| 1031 | goto exit; |
| 1032 | } |
| 1033 | BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); |
| 1034 | brcmf_escan_prep(¶ms->params_le, request); |
| 1035 | params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); |
| 1036 | params->action = cpu_to_le16(action); |
| 1037 | params->sync_id = cpu_to_le16(0x1234); |
| 1038 | |
| 1039 | err = brcmf_dev_iovar_setbuf(ndev, "escan", params, params_size, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1040 | cfg->escan_ioctl_buf, BRCMF_DCMD_MEDLEN); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1041 | if (err) { |
| 1042 | if (err == -EBUSY) |
| 1043 | WL_INFO("system busy : escan canceled\n"); |
| 1044 | else |
| 1045 | WL_ERR("error (%d)\n", err); |
| 1046 | } |
| 1047 | |
| 1048 | kfree(params); |
| 1049 | exit: |
| 1050 | return err; |
| 1051 | } |
| 1052 | |
| 1053 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1054 | brcmf_do_escan(struct brcmf_cfg80211_info *cfg, struct wiphy *wiphy, |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1055 | struct net_device *ndev, struct cfg80211_scan_request *request) |
| 1056 | { |
| 1057 | s32 err; |
| 1058 | __le32 passive_scan; |
| 1059 | struct brcmf_scan_results *results; |
| 1060 | |
| 1061 | WL_SCAN("Enter\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1062 | cfg->escan_info.ndev = ndev; |
| 1063 | cfg->escan_info.wiphy = wiphy; |
| 1064 | cfg->escan_info.escan_state = WL_ESCAN_STATE_SCANNING; |
| 1065 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1066 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| 1067 | &passive_scan, sizeof(passive_scan)); |
| 1068 | if (err) { |
| 1069 | WL_ERR("error (%d)\n", err); |
| 1070 | return err; |
| 1071 | } |
| 1072 | brcmf_set_mpc(ndev, 0); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1073 | results = (struct brcmf_scan_results *)cfg->escan_info.escan_buf; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1074 | results->version = 0; |
| 1075 | results->count = 0; |
| 1076 | results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; |
| 1077 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1078 | err = brcmf_run_escan(cfg, ndev, request, WL_ESCAN_ACTION_START); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1079 | if (err) |
| 1080 | brcmf_set_mpc(ndev, 1); |
| 1081 | return err; |
| 1082 | } |
| 1083 | |
| 1084 | static s32 |
| 1085 | brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, |
| 1086 | struct cfg80211_scan_request *request, |
| 1087 | struct cfg80211_ssid *this_ssid) |
| 1088 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1089 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1090 | struct cfg80211_ssid *ssids; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1091 | struct brcmf_cfg80211_scan_req *sr = cfg->scan_req_int; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1092 | __le32 passive_scan; |
| 1093 | bool escan_req; |
| 1094 | bool spec_scan; |
| 1095 | s32 err; |
| 1096 | u32 SSID_len; |
| 1097 | |
| 1098 | WL_SCAN("START ESCAN\n"); |
| 1099 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1100 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
| 1101 | WL_ERR("Scanning already : status (%lu)\n", cfg->status); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1102 | return -EAGAIN; |
| 1103 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1104 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg->status)) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1105 | WL_ERR("Scanning being aborted : status (%lu)\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1106 | cfg->status); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1107 | return -EAGAIN; |
| 1108 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1109 | if (test_bit(WL_STATUS_CONNECTING, &cfg->status)) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1110 | WL_ERR("Connecting : status (%lu)\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1111 | cfg->status); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1112 | return -EAGAIN; |
| 1113 | } |
| 1114 | |
| 1115 | /* Arm scan timeout timer */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1116 | mod_timer(&cfg->escan_timeout, jiffies + |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1117 | WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); |
| 1118 | |
| 1119 | escan_req = false; |
| 1120 | if (request) { |
| 1121 | /* scan bss */ |
| 1122 | ssids = request->ssids; |
| 1123 | escan_req = true; |
| 1124 | } else { |
| 1125 | /* scan in ibss */ |
| 1126 | /* we don't do escan in ibss */ |
| 1127 | ssids = this_ssid; |
| 1128 | } |
| 1129 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1130 | cfg->scan_request = request; |
| 1131 | set_bit(WL_STATUS_SCANNING, &cfg->status); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1132 | if (escan_req) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1133 | err = brcmf_do_escan(cfg, wiphy, ndev, request); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1134 | if (!err) |
| 1135 | return err; |
| 1136 | else |
| 1137 | goto scan_out; |
| 1138 | } else { |
| 1139 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", |
| 1140 | ssids->ssid, ssids->ssid_len); |
| 1141 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); |
| 1142 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); |
| 1143 | sr->ssid_le.SSID_len = cpu_to_le32(0); |
| 1144 | spec_scan = false; |
| 1145 | if (SSID_len) { |
| 1146 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); |
| 1147 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); |
| 1148 | spec_scan = true; |
| 1149 | } else |
| 1150 | WL_SCAN("Broadcast scan\n"); |
| 1151 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1152 | passive_scan = cfg->active_scan ? 0 : cpu_to_le32(1); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1153 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| 1154 | &passive_scan, sizeof(passive_scan)); |
| 1155 | if (err) { |
| 1156 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
| 1157 | goto scan_out; |
| 1158 | } |
| 1159 | brcmf_set_mpc(ndev, 0); |
| 1160 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, |
| 1161 | sizeof(sr->ssid_le)); |
| 1162 | if (err) { |
| 1163 | if (err == -EBUSY) |
| 1164 | WL_INFO("BUSY: scan for \"%s\" canceled\n", |
| 1165 | sr->ssid_le.SSID); |
| 1166 | else |
| 1167 | WL_ERR("WLC_SCAN error (%d)\n", err); |
| 1168 | |
| 1169 | brcmf_set_mpc(ndev, 1); |
| 1170 | goto scan_out; |
| 1171 | } |
| 1172 | } |
| 1173 | |
| 1174 | return 0; |
| 1175 | |
| 1176 | scan_out: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1177 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
| 1178 | if (timer_pending(&cfg->escan_timeout)) |
| 1179 | del_timer_sync(&cfg->escan_timeout); |
| 1180 | cfg->scan_request = NULL; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1181 | return err; |
| 1182 | } |
| 1183 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1184 | static s32 |
Johannes Berg | fd01428 | 2012-06-18 19:17:03 +0200 | [diff] [blame] | 1185 | brcmf_cfg80211_scan(struct wiphy *wiphy, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1186 | struct cfg80211_scan_request *request) |
| 1187 | { |
Johannes Berg | fd01428 | 2012-06-18 19:17:03 +0200 | [diff] [blame] | 1188 | struct net_device *ndev = request->wdev->netdev; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1189 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1190 | s32 err = 0; |
| 1191 | |
| 1192 | WL_TRACE("Enter\n"); |
| 1193 | |
| 1194 | if (!check_sys_up(wiphy)) |
| 1195 | return -EIO; |
| 1196 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1197 | if (cfg->iscan_on) |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1198 | err = brcmf_cfg80211_iscan(wiphy, ndev, request, NULL); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1199 | else if (cfg->escan_on) |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 1200 | err = brcmf_cfg80211_escan(wiphy, ndev, request, NULL); |
| 1201 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1202 | if (err) |
| 1203 | WL_ERR("scan error (%d)\n", err); |
| 1204 | |
| 1205 | WL_TRACE("Exit\n"); |
| 1206 | return err; |
| 1207 | } |
| 1208 | |
| 1209 | static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) |
| 1210 | { |
| 1211 | s32 err = 0; |
| 1212 | |
| 1213 | err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold); |
| 1214 | if (err) |
| 1215 | WL_ERR("Error (%d)\n", err); |
| 1216 | |
| 1217 | return err; |
| 1218 | } |
| 1219 | |
| 1220 | static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) |
| 1221 | { |
| 1222 | s32 err = 0; |
| 1223 | |
| 1224 | err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold); |
| 1225 | if (err) |
| 1226 | WL_ERR("Error (%d)\n", err); |
| 1227 | |
| 1228 | return err; |
| 1229 | } |
| 1230 | |
| 1231 | static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) |
| 1232 | { |
| 1233 | s32 err = 0; |
| 1234 | u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL); |
| 1235 | |
| 1236 | err = brcmf_exec_dcmd_u32(ndev, cmd, &retry); |
| 1237 | if (err) { |
| 1238 | WL_ERR("cmd (%d) , error (%d)\n", cmd, err); |
| 1239 | return err; |
| 1240 | } |
| 1241 | return err; |
| 1242 | } |
| 1243 | |
| 1244 | static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 1245 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1246 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 1247 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1248 | s32 err = 0; |
| 1249 | |
| 1250 | WL_TRACE("Enter\n"); |
| 1251 | if (!check_sys_up(wiphy)) |
| 1252 | return -EIO; |
| 1253 | |
| 1254 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1255 | (cfg->conf->rts_threshold != wiphy->rts_threshold)) { |
| 1256 | cfg->conf->rts_threshold = wiphy->rts_threshold; |
| 1257 | err = brcmf_set_rts(ndev, cfg->conf->rts_threshold); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1258 | if (!err) |
| 1259 | goto done; |
| 1260 | } |
| 1261 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1262 | (cfg->conf->frag_threshold != wiphy->frag_threshold)) { |
| 1263 | cfg->conf->frag_threshold = wiphy->frag_threshold; |
| 1264 | err = brcmf_set_frag(ndev, cfg->conf->frag_threshold); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1265 | if (!err) |
| 1266 | goto done; |
| 1267 | } |
| 1268 | if (changed & WIPHY_PARAM_RETRY_LONG |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1269 | && (cfg->conf->retry_long != wiphy->retry_long)) { |
| 1270 | cfg->conf->retry_long = wiphy->retry_long; |
| 1271 | err = brcmf_set_retry(ndev, cfg->conf->retry_long, true); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1272 | if (!err) |
| 1273 | goto done; |
| 1274 | } |
| 1275 | if (changed & WIPHY_PARAM_RETRY_SHORT |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1276 | && (cfg->conf->retry_short != wiphy->retry_short)) { |
| 1277 | cfg->conf->retry_short = wiphy->retry_short; |
| 1278 | err = brcmf_set_retry(ndev, cfg->conf->retry_short, false); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1279 | if (!err) |
| 1280 | goto done; |
| 1281 | } |
| 1282 | |
| 1283 | done: |
| 1284 | WL_TRACE("Exit\n"); |
| 1285 | return err; |
| 1286 | } |
| 1287 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1288 | static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) |
| 1289 | { |
| 1290 | memset(prof, 0, sizeof(*prof)); |
| 1291 | } |
| 1292 | |
| 1293 | static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params, |
| 1294 | size_t *join_params_size) |
| 1295 | { |
| 1296 | u16 chanspec = 0; |
| 1297 | |
| 1298 | if (ch != 0) { |
| 1299 | if (ch <= CH_MAX_2G_CHANNEL) |
| 1300 | chanspec |= WL_CHANSPEC_BAND_2G; |
| 1301 | else |
| 1302 | chanspec |= WL_CHANSPEC_BAND_5G; |
| 1303 | |
| 1304 | chanspec |= WL_CHANSPEC_BW_20; |
| 1305 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; |
| 1306 | |
| 1307 | *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE + |
| 1308 | sizeof(u16); |
| 1309 | |
| 1310 | chanspec |= (ch & WL_CHANSPEC_CHAN_MASK); |
| 1311 | join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec); |
| 1312 | join_params->params_le.chanspec_num = cpu_to_le32(1); |
| 1313 | |
| 1314 | WL_CONN("join_params->params.chanspec_list[0]= %#X," |
| 1315 | "channel %d, chanspec %#X\n", |
| 1316 | chanspec, ch, chanspec); |
| 1317 | } |
| 1318 | } |
| 1319 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1320 | static void brcmf_link_down(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1321 | { |
| 1322 | struct net_device *ndev = NULL; |
| 1323 | s32 err = 0; |
| 1324 | |
| 1325 | WL_TRACE("Enter\n"); |
| 1326 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1327 | if (cfg->link_up) { |
| 1328 | ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1329 | WL_INFO("Call WLC_DISASSOC to stop excess roaming\n "); |
| 1330 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0); |
| 1331 | if (err) |
| 1332 | WL_ERR("WLC_DISASSOC failed (%d)\n", err); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1333 | cfg->link_up = false; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1334 | } |
| 1335 | WL_TRACE("Exit\n"); |
| 1336 | } |
| 1337 | |
| 1338 | static s32 |
| 1339 | brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, |
| 1340 | struct cfg80211_ibss_params *params) |
| 1341 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1342 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 1343 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1344 | struct brcmf_join_params join_params; |
| 1345 | size_t join_params_size = 0; |
| 1346 | s32 err = 0; |
| 1347 | s32 wsec = 0; |
| 1348 | s32 bcnprd; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1349 | |
| 1350 | WL_TRACE("Enter\n"); |
| 1351 | if (!check_sys_up(wiphy)) |
| 1352 | return -EIO; |
| 1353 | |
| 1354 | if (params->ssid) |
| 1355 | WL_CONN("SSID: %s\n", params->ssid); |
| 1356 | else { |
| 1357 | WL_CONN("SSID: NULL, Not supported\n"); |
| 1358 | return -EOPNOTSUPP; |
| 1359 | } |
| 1360 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1361 | set_bit(WL_STATUS_CONNECTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1362 | |
| 1363 | if (params->bssid) |
Andy Shevchenko | 040a783 | 2012-07-12 10:43:44 +0300 | [diff] [blame] | 1364 | WL_CONN("BSSID: %pM\n", params->bssid); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1365 | else |
| 1366 | WL_CONN("No BSSID specified\n"); |
| 1367 | |
| 1368 | if (params->channel) |
| 1369 | WL_CONN("channel: %d\n", params->channel->center_freq); |
| 1370 | else |
| 1371 | WL_CONN("no channel specified\n"); |
| 1372 | |
| 1373 | if (params->channel_fixed) |
| 1374 | WL_CONN("fixed channel required\n"); |
| 1375 | else |
| 1376 | WL_CONN("no fixed channel required\n"); |
| 1377 | |
| 1378 | if (params->ie && params->ie_len) |
| 1379 | WL_CONN("ie len: %d\n", params->ie_len); |
| 1380 | else |
| 1381 | WL_CONN("no ie specified\n"); |
| 1382 | |
| 1383 | if (params->beacon_interval) |
| 1384 | WL_CONN("beacon interval: %d\n", params->beacon_interval); |
| 1385 | else |
| 1386 | WL_CONN("no beacon interval specified\n"); |
| 1387 | |
| 1388 | if (params->basic_rates) |
| 1389 | WL_CONN("basic rates: %08X\n", params->basic_rates); |
| 1390 | else |
| 1391 | WL_CONN("no basic rates specified\n"); |
| 1392 | |
| 1393 | if (params->privacy) |
| 1394 | WL_CONN("privacy required\n"); |
| 1395 | else |
| 1396 | WL_CONN("no privacy required\n"); |
| 1397 | |
| 1398 | /* Configure Privacy for starter */ |
| 1399 | if (params->privacy) |
| 1400 | wsec |= WEP_ENABLED; |
| 1401 | |
| 1402 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); |
| 1403 | if (err) { |
| 1404 | WL_ERR("wsec failed (%d)\n", err); |
| 1405 | goto done; |
| 1406 | } |
| 1407 | |
| 1408 | /* Configure Beacon Interval for starter */ |
| 1409 | if (params->beacon_interval) |
| 1410 | bcnprd = params->beacon_interval; |
| 1411 | else |
| 1412 | bcnprd = 100; |
| 1413 | |
| 1414 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd); |
| 1415 | if (err) { |
| 1416 | WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err); |
| 1417 | goto done; |
| 1418 | } |
| 1419 | |
| 1420 | /* Configure required join parameter */ |
| 1421 | memset(&join_params, 0, sizeof(struct brcmf_join_params)); |
| 1422 | |
| 1423 | /* SSID */ |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 1424 | profile->ssid.SSID_len = min_t(u32, params->ssid_len, 32); |
| 1425 | memcpy(profile->ssid.SSID, params->ssid, profile->ssid.SSID_len); |
| 1426 | memcpy(join_params.ssid_le.SSID, params->ssid, profile->ssid.SSID_len); |
| 1427 | join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1428 | join_params_size = sizeof(join_params.ssid_le); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1429 | |
| 1430 | /* BSSID */ |
| 1431 | if (params->bssid) { |
| 1432 | memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); |
| 1433 | join_params_size = sizeof(join_params.ssid_le) + |
| 1434 | BRCMF_ASSOC_PARAMS_FIXED_SIZE; |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 1435 | memcpy(profile->bssid, params->bssid, ETH_ALEN); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1436 | } else { |
| 1437 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 1438 | memset(profile->bssid, 0, ETH_ALEN); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1439 | } |
| 1440 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1441 | /* Channel */ |
| 1442 | if (params->channel) { |
| 1443 | u32 target_channel; |
| 1444 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1445 | cfg->channel = |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1446 | ieee80211_frequency_to_channel( |
| 1447 | params->channel->center_freq); |
| 1448 | if (params->channel_fixed) { |
| 1449 | /* adding chanspec */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1450 | brcmf_ch_to_chanspec(cfg->channel, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1451 | &join_params, &join_params_size); |
| 1452 | } |
| 1453 | |
| 1454 | /* set channel for starter */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1455 | target_channel = cfg->channel; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1456 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL, |
| 1457 | &target_channel); |
| 1458 | if (err) { |
| 1459 | WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err); |
| 1460 | goto done; |
| 1461 | } |
| 1462 | } else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1463 | cfg->channel = 0; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1464 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1465 | cfg->ibss_starter = false; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1466 | |
| 1467 | |
| 1468 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, |
| 1469 | &join_params, join_params_size); |
| 1470 | if (err) { |
| 1471 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); |
| 1472 | goto done; |
| 1473 | } |
| 1474 | |
| 1475 | done: |
| 1476 | if (err) |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1477 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1478 | WL_TRACE("Exit\n"); |
| 1479 | return err; |
| 1480 | } |
| 1481 | |
| 1482 | static s32 |
| 1483 | brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) |
| 1484 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1485 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1486 | s32 err = 0; |
| 1487 | |
| 1488 | WL_TRACE("Enter\n"); |
| 1489 | if (!check_sys_up(wiphy)) |
| 1490 | return -EIO; |
| 1491 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1492 | brcmf_link_down(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1493 | |
| 1494 | WL_TRACE("Exit\n"); |
| 1495 | |
| 1496 | return err; |
| 1497 | } |
| 1498 | |
| 1499 | static s32 brcmf_set_wpa_version(struct net_device *ndev, |
| 1500 | struct cfg80211_connect_params *sme) |
| 1501 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1502 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1503 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1504 | struct brcmf_cfg80211_security *sec; |
| 1505 | s32 val = 0; |
| 1506 | s32 err = 0; |
| 1507 | |
| 1508 | if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) |
| 1509 | val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; |
| 1510 | else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) |
| 1511 | val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; |
| 1512 | else |
| 1513 | val = WPA_AUTH_DISABLED; |
| 1514 | WL_CONN("setting wpa_auth to 0x%0x\n", val); |
| 1515 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); |
| 1516 | if (err) { |
| 1517 | WL_ERR("set wpa_auth failed (%d)\n", err); |
| 1518 | return err; |
| 1519 | } |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1520 | sec = &profile->sec; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1521 | sec->wpa_versions = sme->crypto.wpa_versions; |
| 1522 | return err; |
| 1523 | } |
| 1524 | |
| 1525 | static s32 brcmf_set_auth_type(struct net_device *ndev, |
| 1526 | struct cfg80211_connect_params *sme) |
| 1527 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1528 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1529 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1530 | struct brcmf_cfg80211_security *sec; |
| 1531 | s32 val = 0; |
| 1532 | s32 err = 0; |
| 1533 | |
| 1534 | switch (sme->auth_type) { |
| 1535 | case NL80211_AUTHTYPE_OPEN_SYSTEM: |
| 1536 | val = 0; |
| 1537 | WL_CONN("open system\n"); |
| 1538 | break; |
| 1539 | case NL80211_AUTHTYPE_SHARED_KEY: |
| 1540 | val = 1; |
| 1541 | WL_CONN("shared key\n"); |
| 1542 | break; |
| 1543 | case NL80211_AUTHTYPE_AUTOMATIC: |
| 1544 | val = 2; |
| 1545 | WL_CONN("automatic\n"); |
| 1546 | break; |
| 1547 | case NL80211_AUTHTYPE_NETWORK_EAP: |
| 1548 | WL_CONN("network eap\n"); |
| 1549 | default: |
| 1550 | val = 2; |
| 1551 | WL_ERR("invalid auth type (%d)\n", sme->auth_type); |
| 1552 | break; |
| 1553 | } |
| 1554 | |
| 1555 | err = brcmf_dev_intvar_set(ndev, "auth", val); |
| 1556 | if (err) { |
| 1557 | WL_ERR("set auth failed (%d)\n", err); |
| 1558 | return err; |
| 1559 | } |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1560 | sec = &profile->sec; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1561 | sec->auth_type = sme->auth_type; |
| 1562 | return err; |
| 1563 | } |
| 1564 | |
| 1565 | static s32 |
| 1566 | brcmf_set_set_cipher(struct net_device *ndev, |
| 1567 | struct cfg80211_connect_params *sme) |
| 1568 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1569 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1570 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1571 | struct brcmf_cfg80211_security *sec; |
| 1572 | s32 pval = 0; |
| 1573 | s32 gval = 0; |
| 1574 | s32 err = 0; |
| 1575 | |
| 1576 | if (sme->crypto.n_ciphers_pairwise) { |
| 1577 | switch (sme->crypto.ciphers_pairwise[0]) { |
| 1578 | case WLAN_CIPHER_SUITE_WEP40: |
| 1579 | case WLAN_CIPHER_SUITE_WEP104: |
| 1580 | pval = WEP_ENABLED; |
| 1581 | break; |
| 1582 | case WLAN_CIPHER_SUITE_TKIP: |
| 1583 | pval = TKIP_ENABLED; |
| 1584 | break; |
| 1585 | case WLAN_CIPHER_SUITE_CCMP: |
| 1586 | pval = AES_ENABLED; |
| 1587 | break; |
| 1588 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 1589 | pval = AES_ENABLED; |
| 1590 | break; |
| 1591 | default: |
| 1592 | WL_ERR("invalid cipher pairwise (%d)\n", |
| 1593 | sme->crypto.ciphers_pairwise[0]); |
| 1594 | return -EINVAL; |
| 1595 | } |
| 1596 | } |
| 1597 | if (sme->crypto.cipher_group) { |
| 1598 | switch (sme->crypto.cipher_group) { |
| 1599 | case WLAN_CIPHER_SUITE_WEP40: |
| 1600 | case WLAN_CIPHER_SUITE_WEP104: |
| 1601 | gval = WEP_ENABLED; |
| 1602 | break; |
| 1603 | case WLAN_CIPHER_SUITE_TKIP: |
| 1604 | gval = TKIP_ENABLED; |
| 1605 | break; |
| 1606 | case WLAN_CIPHER_SUITE_CCMP: |
| 1607 | gval = AES_ENABLED; |
| 1608 | break; |
| 1609 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 1610 | gval = AES_ENABLED; |
| 1611 | break; |
| 1612 | default: |
| 1613 | WL_ERR("invalid cipher group (%d)\n", |
| 1614 | sme->crypto.cipher_group); |
| 1615 | return -EINVAL; |
| 1616 | } |
| 1617 | } |
| 1618 | |
| 1619 | WL_CONN("pval (%d) gval (%d)\n", pval, gval); |
| 1620 | err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval); |
| 1621 | if (err) { |
| 1622 | WL_ERR("error (%d)\n", err); |
| 1623 | return err; |
| 1624 | } |
| 1625 | |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1626 | sec = &profile->sec; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1627 | sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; |
| 1628 | sec->cipher_group = sme->crypto.cipher_group; |
| 1629 | |
| 1630 | return err; |
| 1631 | } |
| 1632 | |
| 1633 | static s32 |
| 1634 | brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) |
| 1635 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1636 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1637 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1638 | struct brcmf_cfg80211_security *sec; |
| 1639 | s32 val = 0; |
| 1640 | s32 err = 0; |
| 1641 | |
| 1642 | if (sme->crypto.n_akm_suites) { |
| 1643 | err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val); |
| 1644 | if (err) { |
| 1645 | WL_ERR("could not get wpa_auth (%d)\n", err); |
| 1646 | return err; |
| 1647 | } |
| 1648 | if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { |
| 1649 | switch (sme->crypto.akm_suites[0]) { |
| 1650 | case WLAN_AKM_SUITE_8021X: |
| 1651 | val = WPA_AUTH_UNSPECIFIED; |
| 1652 | break; |
| 1653 | case WLAN_AKM_SUITE_PSK: |
| 1654 | val = WPA_AUTH_PSK; |
| 1655 | break; |
| 1656 | default: |
| 1657 | WL_ERR("invalid cipher group (%d)\n", |
| 1658 | sme->crypto.cipher_group); |
| 1659 | return -EINVAL; |
| 1660 | } |
| 1661 | } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { |
| 1662 | switch (sme->crypto.akm_suites[0]) { |
| 1663 | case WLAN_AKM_SUITE_8021X: |
| 1664 | val = WPA2_AUTH_UNSPECIFIED; |
| 1665 | break; |
| 1666 | case WLAN_AKM_SUITE_PSK: |
| 1667 | val = WPA2_AUTH_PSK; |
| 1668 | break; |
| 1669 | default: |
| 1670 | WL_ERR("invalid cipher group (%d)\n", |
| 1671 | sme->crypto.cipher_group); |
| 1672 | return -EINVAL; |
| 1673 | } |
| 1674 | } |
| 1675 | |
| 1676 | WL_CONN("setting wpa_auth to %d\n", val); |
| 1677 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); |
| 1678 | if (err) { |
| 1679 | WL_ERR("could not set wpa_auth (%d)\n", err); |
| 1680 | return err; |
| 1681 | } |
| 1682 | } |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1683 | sec = &profile->sec; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1684 | sec->wpa_auth = sme->crypto.akm_suites[0]; |
| 1685 | |
| 1686 | return err; |
| 1687 | } |
| 1688 | |
| 1689 | static s32 |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1690 | brcmf_set_sharedkey(struct net_device *ndev, |
| 1691 | struct cfg80211_connect_params *sme) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1692 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1693 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1694 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1695 | struct brcmf_cfg80211_security *sec; |
| 1696 | struct brcmf_wsec_key key; |
| 1697 | s32 val; |
| 1698 | s32 err = 0; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1699 | s32 bssidx; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1700 | |
| 1701 | WL_CONN("key len (%d)\n", sme->key_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1702 | |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1703 | if (sme->key_len == 0) |
| 1704 | return 0; |
| 1705 | |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1706 | sec = &profile->sec; |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1707 | WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n", |
| 1708 | sec->wpa_versions, sec->cipher_pairwise); |
| 1709 | |
| 1710 | if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) |
| 1711 | return 0; |
| 1712 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1713 | if (!(sec->cipher_pairwise & |
| 1714 | (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104))) |
| 1715 | return 0; |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1716 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1717 | memset(&key, 0, sizeof(key)); |
| 1718 | key.len = (u32) sme->key_len; |
| 1719 | key.index = (u32) sme->key_idx; |
| 1720 | if (key.len > sizeof(key.data)) { |
| 1721 | WL_ERR("Too long key length (%u)\n", key.len); |
| 1722 | return -EINVAL; |
| 1723 | } |
| 1724 | memcpy(key.data, sme->key, key.len); |
| 1725 | key.flags = BRCMF_PRIMARY_KEY; |
| 1726 | switch (sec->cipher_pairwise) { |
| 1727 | case WLAN_CIPHER_SUITE_WEP40: |
| 1728 | key.algo = CRYPTO_ALGO_WEP1; |
| 1729 | break; |
| 1730 | case WLAN_CIPHER_SUITE_WEP104: |
| 1731 | key.algo = CRYPTO_ALGO_WEP128; |
| 1732 | break; |
| 1733 | default: |
| 1734 | WL_ERR("Invalid algorithm (%d)\n", |
| 1735 | sme->crypto.ciphers_pairwise[0]); |
| 1736 | return -EINVAL; |
| 1737 | } |
| 1738 | /* Set the new key/index */ |
| 1739 | WL_CONN("key length (%d) key index (%d) algo (%d)\n", |
| 1740 | key.len, key.index, key.algo); |
| 1741 | WL_CONN("key \"%s\"\n", key.data); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1742 | bssidx = brcmf_find_bssidx(cfg, ndev); |
| 1743 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1744 | if (err) |
| 1745 | return err; |
| 1746 | |
| 1747 | if (sec->auth_type == NL80211_AUTHTYPE_SHARED_KEY) { |
| 1748 | WL_CONN("set auth_type to shared key\n"); |
| 1749 | val = WL_AUTH_SHARED_KEY; /* shared key */ |
| 1750 | err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", val, bssidx); |
| 1751 | if (err) |
| 1752 | WL_ERR("set auth failed (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1753 | } |
| 1754 | return err; |
| 1755 | } |
| 1756 | |
| 1757 | static s32 |
| 1758 | brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, |
| 1759 | struct cfg80211_connect_params *sme) |
| 1760 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1761 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 1762 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1763 | struct ieee80211_channel *chan = sme->channel; |
| 1764 | struct brcmf_join_params join_params; |
| 1765 | size_t join_params_size; |
| 1766 | struct brcmf_ssid ssid; |
| 1767 | |
| 1768 | s32 err = 0; |
| 1769 | |
| 1770 | WL_TRACE("Enter\n"); |
| 1771 | if (!check_sys_up(wiphy)) |
| 1772 | return -EIO; |
| 1773 | |
| 1774 | if (!sme->ssid) { |
| 1775 | WL_ERR("Invalid ssid\n"); |
| 1776 | return -EOPNOTSUPP; |
| 1777 | } |
| 1778 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1779 | set_bit(WL_STATUS_CONNECTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1780 | |
| 1781 | if (chan) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1782 | cfg->channel = |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1783 | ieee80211_frequency_to_channel(chan->center_freq); |
| 1784 | WL_CONN("channel (%d), center_req (%d)\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1785 | cfg->channel, chan->center_freq); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1786 | } else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1787 | cfg->channel = 0; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1788 | |
| 1789 | WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); |
| 1790 | |
| 1791 | err = brcmf_set_wpa_version(ndev, sme); |
| 1792 | if (err) { |
| 1793 | WL_ERR("wl_set_wpa_version failed (%d)\n", err); |
| 1794 | goto done; |
| 1795 | } |
| 1796 | |
| 1797 | err = brcmf_set_auth_type(ndev, sme); |
| 1798 | if (err) { |
| 1799 | WL_ERR("wl_set_auth_type failed (%d)\n", err); |
| 1800 | goto done; |
| 1801 | } |
| 1802 | |
| 1803 | err = brcmf_set_set_cipher(ndev, sme); |
| 1804 | if (err) { |
| 1805 | WL_ERR("wl_set_set_cipher failed (%d)\n", err); |
| 1806 | goto done; |
| 1807 | } |
| 1808 | |
| 1809 | err = brcmf_set_key_mgmt(ndev, sme); |
| 1810 | if (err) { |
| 1811 | WL_ERR("wl_set_key_mgmt failed (%d)\n", err); |
| 1812 | goto done; |
| 1813 | } |
| 1814 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1815 | err = brcmf_set_sharedkey(ndev, sme); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1816 | if (err) { |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1817 | WL_ERR("brcmf_set_sharedkey failed (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1818 | goto done; |
| 1819 | } |
| 1820 | |
| 1821 | memset(&join_params, 0, sizeof(join_params)); |
| 1822 | join_params_size = sizeof(join_params.ssid_le); |
| 1823 | |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 1824 | profile->ssid.SSID_len = min_t(u32, |
| 1825 | sizeof(ssid.SSID), (u32)sme->ssid_len); |
| 1826 | memcpy(&join_params.ssid_le.SSID, sme->ssid, profile->ssid.SSID_len); |
| 1827 | memcpy(&profile->ssid.SSID, sme->ssid, profile->ssid.SSID_len); |
| 1828 | join_params.ssid_le.SSID_len = cpu_to_le32(profile->ssid.SSID_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1829 | |
| 1830 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); |
| 1831 | |
| 1832 | if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN) |
| 1833 | WL_CONN("ssid \"%s\", len (%d)\n", |
| 1834 | ssid.SSID, ssid.SSID_len); |
| 1835 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1836 | brcmf_ch_to_chanspec(cfg->channel, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1837 | &join_params, &join_params_size); |
| 1838 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, |
| 1839 | &join_params, join_params_size); |
| 1840 | if (err) |
| 1841 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); |
| 1842 | |
| 1843 | done: |
| 1844 | if (err) |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1845 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1846 | WL_TRACE("Exit\n"); |
| 1847 | return err; |
| 1848 | } |
| 1849 | |
| 1850 | static s32 |
| 1851 | brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, |
| 1852 | u16 reason_code) |
| 1853 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1854 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1855 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1856 | struct brcmf_scb_val_le scbval; |
| 1857 | s32 err = 0; |
| 1858 | |
| 1859 | WL_TRACE("Enter. Reason code = %d\n", reason_code); |
| 1860 | if (!check_sys_up(wiphy)) |
| 1861 | return -EIO; |
| 1862 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1863 | clear_bit(WL_STATUS_CONNECTED, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1864 | |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 1865 | memcpy(&scbval.ea, &profile->bssid, ETH_ALEN); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1866 | scbval.val = cpu_to_le32(reason_code); |
| 1867 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval, |
| 1868 | sizeof(struct brcmf_scb_val_le)); |
| 1869 | if (err) |
| 1870 | WL_ERR("error (%d)\n", err); |
| 1871 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1872 | cfg->link_up = false; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1873 | |
| 1874 | WL_TRACE("Exit\n"); |
| 1875 | return err; |
| 1876 | } |
| 1877 | |
| 1878 | static s32 |
| 1879 | brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, |
Luis R. Rodriguez | d3f3113 | 2011-11-28 16:38:48 -0500 | [diff] [blame] | 1880 | enum nl80211_tx_power_setting type, s32 mbm) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1881 | { |
| 1882 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1883 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 1884 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1885 | u16 txpwrmw; |
| 1886 | s32 err = 0; |
| 1887 | s32 disable = 0; |
Luis R. Rodriguez | d3f3113 | 2011-11-28 16:38:48 -0500 | [diff] [blame] | 1888 | s32 dbm = MBM_TO_DBM(mbm); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1889 | |
| 1890 | WL_TRACE("Enter\n"); |
| 1891 | if (!check_sys_up(wiphy)) |
| 1892 | return -EIO; |
| 1893 | |
| 1894 | switch (type) { |
| 1895 | case NL80211_TX_POWER_AUTOMATIC: |
| 1896 | break; |
| 1897 | case NL80211_TX_POWER_LIMITED: |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1898 | case NL80211_TX_POWER_FIXED: |
| 1899 | if (dbm < 0) { |
| 1900 | WL_ERR("TX_POWER_FIXED - dbm is negative\n"); |
| 1901 | err = -EINVAL; |
| 1902 | goto done; |
| 1903 | } |
| 1904 | break; |
| 1905 | } |
| 1906 | /* Make sure radio is off or on as far as software is concerned */ |
| 1907 | disable = WL_RADIO_SW_DISABLE << 16; |
| 1908 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable); |
| 1909 | if (err) |
| 1910 | WL_ERR("WLC_SET_RADIO error (%d)\n", err); |
| 1911 | |
| 1912 | if (dbm > 0xffff) |
| 1913 | txpwrmw = 0xffff; |
| 1914 | else |
| 1915 | txpwrmw = (u16) dbm; |
| 1916 | err = brcmf_dev_intvar_set(ndev, "qtxpower", |
Alwin Beukers | ef6ac17 | 2011-10-12 20:51:26 +0200 | [diff] [blame] | 1917 | (s32) (brcmf_mw_to_qdbm(txpwrmw))); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1918 | if (err) |
| 1919 | WL_ERR("qtxpower error (%d)\n", err); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1920 | cfg->conf->tx_power = dbm; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1921 | |
| 1922 | done: |
| 1923 | WL_TRACE("Exit\n"); |
| 1924 | return err; |
| 1925 | } |
| 1926 | |
| 1927 | static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) |
| 1928 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1929 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 1930 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1931 | s32 txpwrdbm; |
| 1932 | u8 result; |
| 1933 | s32 err = 0; |
| 1934 | |
| 1935 | WL_TRACE("Enter\n"); |
| 1936 | if (!check_sys_up(wiphy)) |
| 1937 | return -EIO; |
| 1938 | |
| 1939 | err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); |
| 1940 | if (err) { |
| 1941 | WL_ERR("error (%d)\n", err); |
| 1942 | goto done; |
| 1943 | } |
| 1944 | |
| 1945 | result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); |
Alwin Beukers | ef6ac17 | 2011-10-12 20:51:26 +0200 | [diff] [blame] | 1946 | *dbm = (s32) brcmf_qdbm_to_mw(result); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1947 | |
| 1948 | done: |
| 1949 | WL_TRACE("Exit\n"); |
| 1950 | return err; |
| 1951 | } |
| 1952 | |
| 1953 | static s32 |
| 1954 | brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, |
| 1955 | u8 key_idx, bool unicast, bool multicast) |
| 1956 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1957 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1958 | u32 index; |
| 1959 | u32 wsec; |
| 1960 | s32 err = 0; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1961 | s32 bssidx; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1962 | |
| 1963 | WL_TRACE("Enter\n"); |
| 1964 | WL_CONN("key index (%d)\n", key_idx); |
| 1965 | if (!check_sys_up(wiphy)) |
| 1966 | return -EIO; |
| 1967 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1968 | bssidx = brcmf_find_bssidx(cfg, ndev); |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1969 | err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1970 | if (err) { |
| 1971 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); |
| 1972 | goto done; |
| 1973 | } |
| 1974 | |
| 1975 | if (wsec & WEP_ENABLED) { |
| 1976 | /* Just select a new current key */ |
| 1977 | index = key_idx; |
| 1978 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY, |
| 1979 | &index); |
| 1980 | if (err) |
| 1981 | WL_ERR("error (%d)\n", err); |
| 1982 | } |
| 1983 | done: |
| 1984 | WL_TRACE("Exit\n"); |
| 1985 | return err; |
| 1986 | } |
| 1987 | |
| 1988 | static s32 |
| 1989 | brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, |
| 1990 | u8 key_idx, const u8 *mac_addr, struct key_params *params) |
| 1991 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 1992 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1993 | struct brcmf_wsec_key key; |
| 1994 | struct brcmf_wsec_key_le key_le; |
| 1995 | s32 err = 0; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 1996 | s32 bssidx; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1997 | |
| 1998 | memset(&key, 0, sizeof(key)); |
| 1999 | key.index = (u32) key_idx; |
| 2000 | /* Instead of bcast for ea address for default wep keys, |
| 2001 | driver needs it to be Null */ |
| 2002 | if (!is_multicast_ether_addr(mac_addr)) |
| 2003 | memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); |
| 2004 | key.len = (u32) params->key_len; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2005 | bssidx = brcmf_find_bssidx(cfg, ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2006 | /* check for key index change */ |
| 2007 | if (key.len == 0) { |
| 2008 | /* key delete */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2009 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2010 | if (err) |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2011 | WL_ERR("key delete error (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2012 | } else { |
| 2013 | if (key.len > sizeof(key.data)) { |
| 2014 | WL_ERR("Invalid key length (%d)\n", key.len); |
| 2015 | return -EINVAL; |
| 2016 | } |
| 2017 | |
| 2018 | WL_CONN("Setting the key index %d\n", key.index); |
| 2019 | memcpy(key.data, params->key, key.len); |
| 2020 | |
| 2021 | if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { |
| 2022 | u8 keybuf[8]; |
| 2023 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
| 2024 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); |
| 2025 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); |
| 2026 | } |
| 2027 | |
| 2028 | /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ |
| 2029 | if (params->seq && params->seq_len == 6) { |
| 2030 | /* rx iv */ |
| 2031 | u8 *ivptr; |
| 2032 | ivptr = (u8 *) params->seq; |
| 2033 | key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | |
| 2034 | (ivptr[3] << 8) | ivptr[2]; |
| 2035 | key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; |
| 2036 | key.iv_initialized = true; |
| 2037 | } |
| 2038 | |
| 2039 | switch (params->cipher) { |
| 2040 | case WLAN_CIPHER_SUITE_WEP40: |
| 2041 | key.algo = CRYPTO_ALGO_WEP1; |
| 2042 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| 2043 | break; |
| 2044 | case WLAN_CIPHER_SUITE_WEP104: |
| 2045 | key.algo = CRYPTO_ALGO_WEP128; |
| 2046 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| 2047 | break; |
| 2048 | case WLAN_CIPHER_SUITE_TKIP: |
| 2049 | key.algo = CRYPTO_ALGO_TKIP; |
| 2050 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| 2051 | break; |
| 2052 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 2053 | key.algo = CRYPTO_ALGO_AES_CCM; |
| 2054 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| 2055 | break; |
| 2056 | case WLAN_CIPHER_SUITE_CCMP: |
| 2057 | key.algo = CRYPTO_ALGO_AES_CCM; |
| 2058 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
| 2059 | break; |
| 2060 | default: |
| 2061 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); |
| 2062 | return -EINVAL; |
| 2063 | } |
| 2064 | convert_key_from_CPU(&key, &key_le); |
| 2065 | |
| 2066 | brcmf_netdev_wait_pend8021x(ndev); |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2067 | err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "wsec_key", &key_le, |
| 2068 | sizeof(key_le), |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2069 | cfg->extra_buf, |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2070 | WL_EXTRA_BUF_MAX, bssidx); |
| 2071 | if (err) |
| 2072 | WL_ERR("wsec_key error (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2073 | } |
| 2074 | return err; |
| 2075 | } |
| 2076 | |
| 2077 | static s32 |
| 2078 | brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, |
| 2079 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
| 2080 | struct key_params *params) |
| 2081 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2082 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2083 | struct brcmf_wsec_key key; |
| 2084 | s32 val; |
| 2085 | s32 wsec; |
| 2086 | s32 err = 0; |
| 2087 | u8 keybuf[8]; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2088 | s32 bssidx; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2089 | |
| 2090 | WL_TRACE("Enter\n"); |
| 2091 | WL_CONN("key index (%d)\n", key_idx); |
| 2092 | if (!check_sys_up(wiphy)) |
| 2093 | return -EIO; |
| 2094 | |
| 2095 | if (mac_addr) { |
| 2096 | WL_TRACE("Exit"); |
| 2097 | return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); |
| 2098 | } |
| 2099 | memset(&key, 0, sizeof(key)); |
| 2100 | |
| 2101 | key.len = (u32) params->key_len; |
| 2102 | key.index = (u32) key_idx; |
| 2103 | |
| 2104 | if (key.len > sizeof(key.data)) { |
| 2105 | WL_ERR("Too long key length (%u)\n", key.len); |
| 2106 | err = -EINVAL; |
| 2107 | goto done; |
| 2108 | } |
| 2109 | memcpy(key.data, params->key, key.len); |
| 2110 | |
| 2111 | key.flags = BRCMF_PRIMARY_KEY; |
| 2112 | switch (params->cipher) { |
| 2113 | case WLAN_CIPHER_SUITE_WEP40: |
| 2114 | key.algo = CRYPTO_ALGO_WEP1; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2115 | val = WEP_ENABLED; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2116 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| 2117 | break; |
| 2118 | case WLAN_CIPHER_SUITE_WEP104: |
| 2119 | key.algo = CRYPTO_ALGO_WEP128; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2120 | val = WEP_ENABLED; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2121 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| 2122 | break; |
| 2123 | case WLAN_CIPHER_SUITE_TKIP: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2124 | if (cfg->conf->mode != WL_MODE_AP) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2125 | WL_CONN("Swapping key\n"); |
| 2126 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
| 2127 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); |
| 2128 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); |
| 2129 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2130 | key.algo = CRYPTO_ALGO_TKIP; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2131 | val = TKIP_ENABLED; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2132 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| 2133 | break; |
| 2134 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 2135 | key.algo = CRYPTO_ALGO_AES_CCM; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2136 | val = AES_ENABLED; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2137 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| 2138 | break; |
| 2139 | case WLAN_CIPHER_SUITE_CCMP: |
| 2140 | key.algo = CRYPTO_ALGO_AES_CCM; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2141 | val = AES_ENABLED; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2142 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
| 2143 | break; |
| 2144 | default: |
| 2145 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); |
| 2146 | err = -EINVAL; |
| 2147 | goto done; |
| 2148 | } |
| 2149 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2150 | bssidx = brcmf_find_bssidx(cfg, ndev); |
| 2151 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2152 | if (err) |
| 2153 | goto done; |
| 2154 | |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2155 | err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2156 | if (err) { |
| 2157 | WL_ERR("get wsec error (%d)\n", err); |
| 2158 | goto done; |
| 2159 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2160 | wsec |= val; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2161 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2162 | if (err) { |
| 2163 | WL_ERR("set wsec error (%d)\n", err); |
| 2164 | goto done; |
| 2165 | } |
| 2166 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2167 | done: |
| 2168 | WL_TRACE("Exit\n"); |
| 2169 | return err; |
| 2170 | } |
| 2171 | |
| 2172 | static s32 |
| 2173 | brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, |
| 2174 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
| 2175 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2176 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2177 | struct brcmf_wsec_key key; |
| 2178 | s32 err = 0; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2179 | s32 bssidx; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2180 | |
| 2181 | WL_TRACE("Enter\n"); |
| 2182 | if (!check_sys_up(wiphy)) |
| 2183 | return -EIO; |
| 2184 | |
| 2185 | memset(&key, 0, sizeof(key)); |
| 2186 | |
| 2187 | key.index = (u32) key_idx; |
| 2188 | key.flags = BRCMF_PRIMARY_KEY; |
| 2189 | key.algo = CRYPTO_ALGO_OFF; |
| 2190 | |
| 2191 | WL_CONN("key index (%d)\n", key_idx); |
| 2192 | |
| 2193 | /* Set the new key/index */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2194 | bssidx = brcmf_find_bssidx(cfg, ndev); |
| 2195 | err = send_key_to_dongle(cfg, bssidx, ndev, &key); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2196 | if (err) { |
| 2197 | if (err == -EINVAL) { |
| 2198 | if (key.index >= DOT11_MAX_DEFAULT_KEYS) |
| 2199 | /* we ignore this key index in this case */ |
| 2200 | WL_ERR("invalid key index (%d)\n", key_idx); |
| 2201 | } |
| 2202 | /* Ignore this error, may happen during DISASSOC */ |
| 2203 | err = -EAGAIN; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2204 | } |
| 2205 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2206 | WL_TRACE("Exit\n"); |
| 2207 | return err; |
| 2208 | } |
| 2209 | |
| 2210 | static s32 |
| 2211 | brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, |
| 2212 | u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, |
| 2213 | void (*callback) (void *cookie, struct key_params * params)) |
| 2214 | { |
| 2215 | struct key_params params; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2216 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 2217 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2218 | struct brcmf_cfg80211_security *sec; |
| 2219 | s32 wsec; |
| 2220 | s32 err = 0; |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2221 | s32 bssidx; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2222 | |
| 2223 | WL_TRACE("Enter\n"); |
| 2224 | WL_CONN("key index (%d)\n", key_idx); |
| 2225 | if (!check_sys_up(wiphy)) |
| 2226 | return -EIO; |
| 2227 | |
| 2228 | memset(¶ms, 0, sizeof(params)); |
| 2229 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2230 | bssidx = brcmf_find_bssidx(cfg, ndev); |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2231 | err = brcmf_dev_intvar_get_bsscfg(ndev, "wsec", &wsec, bssidx); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2232 | if (err) { |
| 2233 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); |
| 2234 | /* Ignore this error, may happen during DISASSOC */ |
| 2235 | err = -EAGAIN; |
| 2236 | goto done; |
| 2237 | } |
Hante Meuleman | f09d0c0 | 2012-09-27 14:17:48 +0200 | [diff] [blame] | 2238 | switch (wsec & ~SES_OW_ENABLED) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2239 | case WEP_ENABLED: |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 2240 | sec = &profile->sec; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2241 | if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { |
| 2242 | params.cipher = WLAN_CIPHER_SUITE_WEP40; |
| 2243 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| 2244 | } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { |
| 2245 | params.cipher = WLAN_CIPHER_SUITE_WEP104; |
| 2246 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| 2247 | } |
| 2248 | break; |
| 2249 | case TKIP_ENABLED: |
| 2250 | params.cipher = WLAN_CIPHER_SUITE_TKIP; |
| 2251 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| 2252 | break; |
| 2253 | case AES_ENABLED: |
| 2254 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
| 2255 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| 2256 | break; |
| 2257 | default: |
| 2258 | WL_ERR("Invalid algo (0x%x)\n", wsec); |
| 2259 | err = -EINVAL; |
| 2260 | goto done; |
| 2261 | } |
| 2262 | callback(cookie, ¶ms); |
| 2263 | |
| 2264 | done: |
| 2265 | WL_TRACE("Exit\n"); |
| 2266 | return err; |
| 2267 | } |
| 2268 | |
| 2269 | static s32 |
| 2270 | brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, |
| 2271 | struct net_device *ndev, u8 key_idx) |
| 2272 | { |
| 2273 | WL_INFO("Not supported\n"); |
| 2274 | |
| 2275 | return -EOPNOTSUPP; |
| 2276 | } |
| 2277 | |
| 2278 | static s32 |
| 2279 | brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2280 | u8 *mac, struct station_info *sinfo) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2281 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2282 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 2283 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2284 | struct brcmf_scb_val_le scb_val; |
| 2285 | int rssi; |
| 2286 | s32 rate; |
| 2287 | s32 err = 0; |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 2288 | u8 *bssid = profile->bssid; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2289 | struct brcmf_sta_info_le *sta_info_le; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2290 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2291 | WL_TRACE("Enter, MAC %pM\n", mac); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2292 | if (!check_sys_up(wiphy)) |
| 2293 | return -EIO; |
| 2294 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2295 | if (cfg->conf->mode == WL_MODE_AP) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2296 | err = brcmf_dev_iovar_getbuf(ndev, "sta_info", mac, ETH_ALEN, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2297 | cfg->dcmd_buf, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2298 | WL_DCMD_LEN_MAX); |
| 2299 | if (err < 0) { |
| 2300 | WL_ERR("GET STA INFO failed, %d\n", err); |
| 2301 | goto done; |
Hante Meuleman | 7f6c562 | 2012-08-30 10:05:37 +0200 | [diff] [blame] | 2302 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2303 | sta_info_le = (struct brcmf_sta_info_le *)cfg->dcmd_buf; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2304 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2305 | sinfo->filled = STATION_INFO_INACTIVE_TIME; |
| 2306 | sinfo->inactive_time = le32_to_cpu(sta_info_le->idle) * 1000; |
| 2307 | if (le32_to_cpu(sta_info_le->flags) & BRCMF_STA_ASSOC) { |
| 2308 | sinfo->filled |= STATION_INFO_CONNECTED_TIME; |
| 2309 | sinfo->connected_time = le32_to_cpu(sta_info_le->in); |
| 2310 | } |
| 2311 | WL_TRACE("STA idle time : %d ms, connected time :%d sec\n", |
| 2312 | sinfo->inactive_time, sinfo->connected_time); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2313 | } else if (cfg->conf->mode == WL_MODE_BSS) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2314 | if (memcmp(mac, bssid, ETH_ALEN)) { |
| 2315 | WL_ERR("Wrong Mac address cfg_mac-%pM wl_bssid-%pM\n", |
| 2316 | mac, bssid); |
| 2317 | err = -ENOENT; |
| 2318 | goto done; |
| 2319 | } |
| 2320 | /* Report the current tx rate */ |
| 2321 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate); |
| 2322 | if (err) { |
| 2323 | WL_ERR("Could not get rate (%d)\n", err); |
| 2324 | goto done; |
| 2325 | } else { |
| 2326 | sinfo->filled |= STATION_INFO_TX_BITRATE; |
| 2327 | sinfo->txrate.legacy = rate * 5; |
| 2328 | WL_CONN("Rate %d Mbps\n", rate / 2); |
| 2329 | } |
| 2330 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2331 | if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2332 | memset(&scb_val, 0, sizeof(scb_val)); |
| 2333 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val, |
| 2334 | sizeof(scb_val)); |
| 2335 | if (err) { |
| 2336 | WL_ERR("Could not get rssi (%d)\n", err); |
| 2337 | goto done; |
| 2338 | } else { |
| 2339 | rssi = le32_to_cpu(scb_val.val); |
| 2340 | sinfo->filled |= STATION_INFO_SIGNAL; |
| 2341 | sinfo->signal = rssi; |
| 2342 | WL_CONN("RSSI %d dBm\n", rssi); |
| 2343 | } |
| 2344 | } |
| 2345 | } else |
| 2346 | err = -EPERM; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2347 | done: |
| 2348 | WL_TRACE("Exit\n"); |
| 2349 | return err; |
| 2350 | } |
| 2351 | |
| 2352 | static s32 |
| 2353 | brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, |
| 2354 | bool enabled, s32 timeout) |
| 2355 | { |
| 2356 | s32 pm; |
| 2357 | s32 err = 0; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2358 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2359 | |
| 2360 | WL_TRACE("Enter\n"); |
| 2361 | |
| 2362 | /* |
| 2363 | * Powersave enable/disable request is coming from the |
| 2364 | * cfg80211 even before the interface is up. In that |
| 2365 | * scenario, driver will be storing the power save |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2366 | * preference in cfg struct to apply this to |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2367 | * FW later while initializing the dongle |
| 2368 | */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2369 | cfg->pwr_save = enabled; |
| 2370 | if (!test_bit(WL_STATUS_READY, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2371 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2372 | WL_INFO("Device is not ready, storing the value in cfg_info struct\n"); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2373 | goto done; |
| 2374 | } |
| 2375 | |
| 2376 | pm = enabled ? PM_FAST : PM_OFF; |
| 2377 | WL_INFO("power save %s\n", (pm ? "enabled" : "disabled")); |
| 2378 | |
| 2379 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm); |
| 2380 | if (err) { |
| 2381 | if (err == -ENODEV) |
| 2382 | WL_ERR("net_device is not ready yet\n"); |
| 2383 | else |
| 2384 | WL_ERR("error (%d)\n", err); |
| 2385 | } |
| 2386 | done: |
| 2387 | WL_TRACE("Exit\n"); |
| 2388 | return err; |
| 2389 | } |
| 2390 | |
| 2391 | static s32 |
| 2392 | brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev, |
| 2393 | const u8 *addr, |
| 2394 | const struct cfg80211_bitrate_mask *mask) |
| 2395 | { |
| 2396 | struct brcm_rateset_le rateset_le; |
| 2397 | s32 rate; |
| 2398 | s32 val; |
| 2399 | s32 err_bg; |
| 2400 | s32 err_a; |
| 2401 | u32 legacy; |
| 2402 | s32 err = 0; |
| 2403 | |
| 2404 | WL_TRACE("Enter\n"); |
| 2405 | if (!check_sys_up(wiphy)) |
| 2406 | return -EIO; |
| 2407 | |
| 2408 | /* addr param is always NULL. ignore it */ |
| 2409 | /* Get current rateset */ |
| 2410 | err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le, |
| 2411 | sizeof(rateset_le)); |
| 2412 | if (err) { |
| 2413 | WL_ERR("could not get current rateset (%d)\n", err); |
| 2414 | goto done; |
| 2415 | } |
| 2416 | |
| 2417 | legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF); |
| 2418 | if (!legacy) |
| 2419 | legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy & |
| 2420 | 0xFFFF); |
| 2421 | |
| 2422 | val = wl_g_rates[legacy - 1].bitrate * 100000; |
| 2423 | |
| 2424 | if (val < le32_to_cpu(rateset_le.count)) |
| 2425 | /* Select rate by rateset index */ |
| 2426 | rate = rateset_le.rates[val] & 0x7f; |
| 2427 | else |
| 2428 | /* Specified rate in bps */ |
| 2429 | rate = val / 500000; |
| 2430 | |
| 2431 | WL_CONN("rate %d mbps\n", rate / 2); |
| 2432 | |
| 2433 | /* |
| 2434 | * |
| 2435 | * Set rate override, |
| 2436 | * Since the is a/b/g-blind, both a/bg_rate are enforced. |
| 2437 | */ |
| 2438 | err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate); |
| 2439 | err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate); |
| 2440 | if (err_bg && err_a) { |
| 2441 | WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a); |
| 2442 | err = err_bg | err_a; |
| 2443 | } |
| 2444 | |
| 2445 | done: |
| 2446 | WL_TRACE("Exit\n"); |
| 2447 | return err; |
| 2448 | } |
| 2449 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2450 | static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_info *cfg, |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2451 | struct brcmf_bss_info_le *bi) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2452 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2453 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2454 | struct ieee80211_channel *notify_channel; |
| 2455 | struct cfg80211_bss *bss; |
| 2456 | struct ieee80211_supported_band *band; |
| 2457 | s32 err = 0; |
| 2458 | u16 channel; |
| 2459 | u32 freq; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2460 | u16 notify_capability; |
| 2461 | u16 notify_interval; |
| 2462 | u8 *notify_ie; |
| 2463 | size_t notify_ielen; |
| 2464 | s32 notify_signal; |
| 2465 | |
| 2466 | if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { |
| 2467 | WL_ERR("Bss info is larger than buffer. Discarding\n"); |
| 2468 | return 0; |
| 2469 | } |
| 2470 | |
| 2471 | channel = bi->ctl_ch ? bi->ctl_ch : |
| 2472 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| 2473 | |
| 2474 | if (channel <= CH_MAX_2G_CHANNEL) |
| 2475 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 2476 | else |
| 2477 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 2478 | |
| 2479 | freq = ieee80211_channel_to_frequency(channel, band->band); |
| 2480 | notify_channel = ieee80211_get_channel(wiphy, freq); |
| 2481 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2482 | notify_capability = le16_to_cpu(bi->capability); |
| 2483 | notify_interval = le16_to_cpu(bi->beacon_period); |
| 2484 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| 2485 | notify_ielen = le32_to_cpu(bi->ie_length); |
| 2486 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| 2487 | |
| 2488 | WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", |
| 2489 | bi->BSSID[0], bi->BSSID[1], bi->BSSID[2], |
| 2490 | bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]); |
| 2491 | WL_CONN("Channel: %d(%d)\n", channel, freq); |
| 2492 | WL_CONN("Capability: %X\n", notify_capability); |
| 2493 | WL_CONN("Beacon interval: %d\n", notify_interval); |
| 2494 | WL_CONN("Signal: %d\n", notify_signal); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2495 | |
| 2496 | bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID, |
Johannes Berg | 8e6cffb | 2012-03-13 13:57:03 +0100 | [diff] [blame] | 2497 | 0, notify_capability, notify_interval, notify_ie, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2498 | notify_ielen, notify_signal, GFP_KERNEL); |
| 2499 | |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2500 | if (!bss) |
| 2501 | return -ENOMEM; |
| 2502 | |
| 2503 | cfg80211_put_bss(bss); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2504 | |
| 2505 | return err; |
| 2506 | } |
| 2507 | |
Roland Vossen | 6f09be0 | 2011-10-18 14:03:02 +0200 | [diff] [blame] | 2508 | static struct brcmf_bss_info_le * |
| 2509 | next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) |
| 2510 | { |
| 2511 | if (bss == NULL) |
| 2512 | return list->bss_info_le; |
| 2513 | return (struct brcmf_bss_info_le *)((unsigned long)bss + |
| 2514 | le32_to_cpu(bss->length)); |
| 2515 | } |
| 2516 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2517 | static s32 brcmf_inform_bss(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2518 | { |
| 2519 | struct brcmf_scan_results *bss_list; |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2520 | struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2521 | s32 err = 0; |
| 2522 | int i; |
| 2523 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2524 | bss_list = cfg->bss_list; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2525 | if (bss_list->version != BRCMF_BSS_INFO_VERSION) { |
| 2526 | WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", |
| 2527 | bss_list->version); |
| 2528 | return -EOPNOTSUPP; |
| 2529 | } |
| 2530 | WL_SCAN("scanned AP count (%d)\n", bss_list->count); |
| 2531 | for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) { |
Roland Vossen | 6f09be0 | 2011-10-18 14:03:02 +0200 | [diff] [blame] | 2532 | bi = next_bss_le(bss_list, bi); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2533 | err = brcmf_inform_single_bss(cfg, bi); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2534 | if (err) |
| 2535 | break; |
| 2536 | } |
| 2537 | return err; |
| 2538 | } |
| 2539 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2540 | static s32 wl_inform_ibss(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2541 | struct net_device *ndev, const u8 *bssid) |
| 2542 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2543 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2544 | struct ieee80211_channel *notify_channel; |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2545 | struct brcmf_bss_info_le *bi = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2546 | struct ieee80211_supported_band *band; |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2547 | struct cfg80211_bss *bss; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2548 | u8 *buf = NULL; |
| 2549 | s32 err = 0; |
| 2550 | u16 channel; |
| 2551 | u32 freq; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2552 | u16 notify_capability; |
| 2553 | u16 notify_interval; |
| 2554 | u8 *notify_ie; |
| 2555 | size_t notify_ielen; |
| 2556 | s32 notify_signal; |
| 2557 | |
| 2558 | WL_TRACE("Enter\n"); |
| 2559 | |
| 2560 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| 2561 | if (buf == NULL) { |
| 2562 | err = -ENOMEM; |
| 2563 | goto CleanUp; |
| 2564 | } |
| 2565 | |
| 2566 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); |
| 2567 | |
| 2568 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX); |
| 2569 | if (err) { |
| 2570 | WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err); |
| 2571 | goto CleanUp; |
| 2572 | } |
| 2573 | |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2574 | bi = (struct brcmf_bss_info_le *)(buf + 4); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2575 | |
| 2576 | channel = bi->ctl_ch ? bi->ctl_ch : |
| 2577 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| 2578 | |
| 2579 | if (channel <= CH_MAX_2G_CHANNEL) |
| 2580 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 2581 | else |
| 2582 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 2583 | |
| 2584 | freq = ieee80211_channel_to_frequency(channel, band->band); |
| 2585 | notify_channel = ieee80211_get_channel(wiphy, freq); |
| 2586 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2587 | notify_capability = le16_to_cpu(bi->capability); |
| 2588 | notify_interval = le16_to_cpu(bi->beacon_period); |
| 2589 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| 2590 | notify_ielen = le32_to_cpu(bi->ie_length); |
| 2591 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| 2592 | |
| 2593 | WL_CONN("channel: %d(%d)\n", channel, freq); |
| 2594 | WL_CONN("capability: %X\n", notify_capability); |
| 2595 | WL_CONN("beacon interval: %d\n", notify_interval); |
| 2596 | WL_CONN("signal: %d\n", notify_signal); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2597 | |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2598 | bss = cfg80211_inform_bss(wiphy, notify_channel, bssid, |
Johannes Berg | 8e6cffb | 2012-03-13 13:57:03 +0100 | [diff] [blame] | 2599 | 0, notify_capability, notify_interval, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2600 | notify_ie, notify_ielen, notify_signal, GFP_KERNEL); |
| 2601 | |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2602 | if (!bss) { |
| 2603 | err = -ENOMEM; |
| 2604 | goto CleanUp; |
| 2605 | } |
| 2606 | |
| 2607 | cfg80211_put_bss(bss); |
| 2608 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2609 | CleanUp: |
| 2610 | |
| 2611 | kfree(buf); |
| 2612 | |
| 2613 | WL_TRACE("Exit\n"); |
| 2614 | |
| 2615 | return err; |
| 2616 | } |
| 2617 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2618 | static bool brcmf_is_ibssmode(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2619 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2620 | return cfg->conf->mode == WL_MODE_IBSS; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2621 | } |
| 2622 | |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2623 | /* |
| 2624 | * Traverse a string of 1-byte tag/1-byte length/variable-length value |
| 2625 | * triples, returning a pointer to the substring whose first element |
| 2626 | * matches tag |
| 2627 | */ |
| 2628 | static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) |
| 2629 | { |
| 2630 | struct brcmf_tlv *elt; |
| 2631 | int totlen; |
| 2632 | |
| 2633 | elt = (struct brcmf_tlv *) buf; |
| 2634 | totlen = buflen; |
| 2635 | |
| 2636 | /* find tagged parameter */ |
Hante Meuleman | 0401289 | 2012-09-27 14:17:49 +0200 | [diff] [blame] | 2637 | while (totlen >= TLV_HDR_LEN) { |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2638 | int len = elt->len; |
| 2639 | |
| 2640 | /* validate remaining totlen */ |
Hante Meuleman | 0401289 | 2012-09-27 14:17:49 +0200 | [diff] [blame] | 2641 | if ((elt->id == key) && (totlen >= (len + TLV_HDR_LEN))) |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2642 | return elt; |
| 2643 | |
Hante Meuleman | 0401289 | 2012-09-27 14:17:49 +0200 | [diff] [blame] | 2644 | elt = (struct brcmf_tlv *) ((u8 *) elt + (len + TLV_HDR_LEN)); |
| 2645 | totlen -= (len + TLV_HDR_LEN); |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2646 | } |
| 2647 | |
| 2648 | return NULL; |
| 2649 | } |
| 2650 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2651 | /* Is any of the tlvs the expected entry? If |
| 2652 | * not update the tlvs buffer pointer/length. |
| 2653 | */ |
| 2654 | static bool |
| 2655 | brcmf_tlv_has_ie(u8 *ie, u8 **tlvs, u32 *tlvs_len, |
| 2656 | u8 *oui, u32 oui_len, u8 type) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2657 | { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 2658 | /* If the contents match the OUI and the type */ |
| 2659 | if (ie[TLV_LEN_OFF] >= oui_len + 1 && |
| 2660 | !memcmp(&ie[TLV_BODY_OFF], oui, oui_len) && |
| 2661 | type == ie[TLV_BODY_OFF + oui_len]) { |
| 2662 | return true; |
| 2663 | } |
| 2664 | |
| 2665 | if (tlvs == NULL) |
| 2666 | return false; |
| 2667 | /* point to the next ie */ |
| 2668 | ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; |
| 2669 | /* calculate the length of the rest of the buffer */ |
| 2670 | *tlvs_len -= (int)(ie - *tlvs); |
| 2671 | /* update the pointer to the start of the buffer */ |
| 2672 | *tlvs = ie; |
| 2673 | |
| 2674 | return false; |
| 2675 | } |
| 2676 | |
| 2677 | struct brcmf_vs_tlv * |
| 2678 | brcmf_find_wpaie(u8 *parse, u32 len) |
| 2679 | { |
| 2680 | struct brcmf_tlv *ie; |
| 2681 | |
| 2682 | while ((ie = brcmf_parse_tlvs(parse, len, WLAN_EID_WPA))) { |
| 2683 | if (brcmf_tlv_has_ie((u8 *)ie, &parse, &len, |
| 2684 | WPA_OUI, TLV_OUI_LEN, WPA_OUI_TYPE)) |
| 2685 | return (struct brcmf_vs_tlv *)ie; |
| 2686 | } |
| 2687 | return NULL; |
| 2688 | } |
| 2689 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2690 | static s32 brcmf_update_bss_info(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2691 | { |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 2692 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2693 | struct brcmf_bss_info_le *bi; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2694 | struct brcmf_ssid *ssid; |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2695 | struct brcmf_tlv *tim; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2696 | u16 beacon_interval; |
| 2697 | u8 dtim_period; |
| 2698 | size_t ie_len; |
| 2699 | u8 *ie; |
| 2700 | s32 err = 0; |
| 2701 | |
| 2702 | WL_TRACE("Enter\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2703 | if (brcmf_is_ibssmode(cfg)) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2704 | return err; |
| 2705 | |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 2706 | ssid = &profile->ssid; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2707 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2708 | *(__le32 *)cfg->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); |
| 2709 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCMF_C_GET_BSS_INFO, |
| 2710 | cfg->extra_buf, WL_EXTRA_BUF_MAX); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2711 | if (err) { |
| 2712 | WL_ERR("Could not get bss info %d\n", err); |
| 2713 | goto update_bss_info_out; |
| 2714 | } |
| 2715 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2716 | bi = (struct brcmf_bss_info_le *)(cfg->extra_buf + 4); |
| 2717 | err = brcmf_inform_single_bss(cfg, bi); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2718 | if (err) |
| 2719 | goto update_bss_info_out; |
| 2720 | |
| 2721 | ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); |
| 2722 | ie_len = le32_to_cpu(bi->ie_length); |
| 2723 | beacon_interval = le16_to_cpu(bi->beacon_period); |
| 2724 | |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2725 | tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2726 | if (tim) |
| 2727 | dtim_period = tim->data[1]; |
| 2728 | else { |
| 2729 | /* |
| 2730 | * active scan was done so we could not get dtim |
| 2731 | * information out of probe response. |
| 2732 | * so we speficially query dtim information to dongle. |
| 2733 | */ |
| 2734 | u32 var; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2735 | err = brcmf_dev_intvar_get(cfg_to_ndev(cfg), |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2736 | "dtim_assoc", &var); |
| 2737 | if (err) { |
| 2738 | WL_ERR("wl dtim_assoc failed (%d)\n", err); |
| 2739 | goto update_bss_info_out; |
| 2740 | } |
| 2741 | dtim_period = (u8)var; |
| 2742 | } |
| 2743 | |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 2744 | profile->beacon_interval = beacon_interval; |
| 2745 | profile->dtim_period = dtim_period; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2746 | |
| 2747 | update_bss_info_out: |
| 2748 | WL_TRACE("Exit"); |
| 2749 | return err; |
| 2750 | } |
| 2751 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2752 | static void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2753 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2754 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
| 2755 | struct escan_info *escan = &cfg->escan_info; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2756 | struct brcmf_ssid ssid; |
| 2757 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2758 | set_bit(WL_STATUS_SCAN_ABORTING, &cfg->status); |
| 2759 | if (cfg->iscan_on) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2760 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2761 | |
| 2762 | if (iscan->timer_on) { |
| 2763 | del_timer_sync(&iscan->timer); |
| 2764 | iscan->timer_on = 0; |
| 2765 | } |
| 2766 | |
| 2767 | cancel_work_sync(&iscan->work); |
| 2768 | |
| 2769 | /* Abort iscan running in FW */ |
| 2770 | memset(&ssid, 0, sizeof(ssid)); |
| 2771 | brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT); |
Arend van Spriel | 108a4be | 2012-09-19 22:21:07 +0200 | [diff] [blame] | 2772 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2773 | if (cfg->scan_request) { |
Arend van Spriel | 108a4be | 2012-09-19 22:21:07 +0200 | [diff] [blame] | 2774 | /* Indidate scan abort to cfg80211 layer */ |
| 2775 | WL_INFO("Terminating scan in progress\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2776 | cfg80211_scan_done(cfg->scan_request, true); |
| 2777 | cfg->scan_request = NULL; |
Arend van Spriel | 108a4be | 2012-09-19 22:21:07 +0200 | [diff] [blame] | 2778 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2779 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2780 | if (cfg->escan_on && cfg->scan_request) { |
Arend van Spriel | 108a4be | 2012-09-19 22:21:07 +0200 | [diff] [blame] | 2781 | escan->escan_state = WL_ESCAN_STATE_IDLE; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2782 | brcmf_notify_escan_complete(cfg, escan->ndev, true, true); |
Arend van Spriel | 108a4be | 2012-09-19 22:21:07 +0200 | [diff] [blame] | 2783 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2784 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
| 2785 | clear_bit(WL_STATUS_SCAN_ABORTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2786 | } |
| 2787 | |
| 2788 | static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan, |
| 2789 | bool aborted) |
| 2790 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2791 | struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan); |
| 2792 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2793 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2794 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2795 | WL_ERR("Scan complete while device not scanning\n"); |
| 2796 | return; |
| 2797 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2798 | if (cfg->scan_request) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2799 | WL_SCAN("ISCAN Completed scan: %s\n", |
| 2800 | aborted ? "Aborted" : "Done"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2801 | cfg80211_scan_done(cfg->scan_request, aborted); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2802 | brcmf_set_mpc(ndev, 1); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2803 | cfg->scan_request = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2804 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2805 | cfg->iscan_kickstart = false; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2806 | } |
| 2807 | |
| 2808 | static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan) |
| 2809 | { |
| 2810 | if (iscan->state != WL_ISCAN_STATE_IDLE) { |
| 2811 | WL_SCAN("wake up iscan\n"); |
| 2812 | schedule_work(&iscan->work); |
| 2813 | return 0; |
| 2814 | } |
| 2815 | |
| 2816 | return -EIO; |
| 2817 | } |
| 2818 | |
| 2819 | static s32 |
| 2820 | brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status, |
| 2821 | struct brcmf_scan_results **bss_list) |
| 2822 | { |
| 2823 | struct brcmf_iscan_results list; |
| 2824 | struct brcmf_scan_results *results; |
| 2825 | struct brcmf_scan_results_le *results_le; |
| 2826 | struct brcmf_iscan_results *list_buf; |
| 2827 | s32 err = 0; |
| 2828 | |
| 2829 | memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX); |
| 2830 | list_buf = (struct brcmf_iscan_results *)iscan->scan_buf; |
| 2831 | results = &list_buf->results; |
| 2832 | results_le = &list_buf->results_le; |
| 2833 | results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE; |
| 2834 | results->version = 0; |
| 2835 | results->count = 0; |
| 2836 | |
| 2837 | memset(&list, 0, sizeof(list)); |
| 2838 | list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX); |
| 2839 | err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list, |
| 2840 | BRCMF_ISCAN_RESULTS_FIXED_SIZE, |
| 2841 | iscan->scan_buf, WL_ISCAN_BUF_MAX); |
| 2842 | if (err) { |
| 2843 | WL_ERR("error (%d)\n", err); |
| 2844 | return err; |
| 2845 | } |
| 2846 | results->buflen = le32_to_cpu(results_le->buflen); |
| 2847 | results->version = le32_to_cpu(results_le->version); |
| 2848 | results->count = le32_to_cpu(results_le->count); |
| 2849 | WL_SCAN("results->count = %d\n", results_le->count); |
| 2850 | WL_SCAN("results->buflen = %d\n", results_le->buflen); |
| 2851 | *status = le32_to_cpu(list_buf->status_le); |
| 2852 | WL_SCAN("status = %d\n", *status); |
| 2853 | *bss_list = results; |
| 2854 | |
| 2855 | return err; |
| 2856 | } |
| 2857 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2858 | static s32 brcmf_iscan_done(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2859 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2860 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2861 | s32 err = 0; |
| 2862 | |
| 2863 | iscan->state = WL_ISCAN_STATE_IDLE; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2864 | brcmf_inform_bss(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2865 | brcmf_notify_iscan_complete(iscan, false); |
| 2866 | |
| 2867 | return err; |
| 2868 | } |
| 2869 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2870 | static s32 brcmf_iscan_pending(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2871 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2872 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2873 | s32 err = 0; |
| 2874 | |
| 2875 | /* Reschedule the timer */ |
| 2876 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 2877 | iscan->timer_on = 1; |
| 2878 | |
| 2879 | return err; |
| 2880 | } |
| 2881 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2882 | static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2883 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2884 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2885 | s32 err = 0; |
| 2886 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2887 | brcmf_inform_bss(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2888 | brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE); |
| 2889 | /* Reschedule the timer */ |
| 2890 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 2891 | iscan->timer_on = 1; |
| 2892 | |
| 2893 | return err; |
| 2894 | } |
| 2895 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2896 | static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2897 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2898 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg->iscan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2899 | s32 err = 0; |
| 2900 | |
| 2901 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2902 | brcmf_notify_iscan_complete(iscan, true); |
| 2903 | |
| 2904 | return err; |
| 2905 | } |
| 2906 | |
| 2907 | static void brcmf_cfg80211_iscan_handler(struct work_struct *work) |
| 2908 | { |
| 2909 | struct brcmf_cfg80211_iscan_ctrl *iscan = |
| 2910 | container_of(work, struct brcmf_cfg80211_iscan_ctrl, |
| 2911 | work); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2912 | struct brcmf_cfg80211_info *cfg = iscan_to_cfg(iscan); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2913 | struct brcmf_cfg80211_iscan_eloop *el = &iscan->el; |
| 2914 | u32 status = BRCMF_SCAN_RESULTS_PARTIAL; |
| 2915 | |
| 2916 | if (iscan->timer_on) { |
| 2917 | del_timer_sync(&iscan->timer); |
| 2918 | iscan->timer_on = 0; |
| 2919 | } |
| 2920 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2921 | if (brcmf_get_iscan_results(iscan, &status, &cfg->bss_list)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2922 | status = BRCMF_SCAN_RESULTS_ABORTED; |
| 2923 | WL_ERR("Abort iscan\n"); |
| 2924 | } |
| 2925 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2926 | el->handler[status](cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2927 | } |
| 2928 | |
| 2929 | static void brcmf_iscan_timer(unsigned long data) |
| 2930 | { |
| 2931 | struct brcmf_cfg80211_iscan_ctrl *iscan = |
| 2932 | (struct brcmf_cfg80211_iscan_ctrl *)data; |
| 2933 | |
| 2934 | if (iscan) { |
| 2935 | iscan->timer_on = 0; |
| 2936 | WL_SCAN("timer expired\n"); |
| 2937 | brcmf_wakeup_iscan(iscan); |
| 2938 | } |
| 2939 | } |
| 2940 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2941 | static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2942 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2943 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2944 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2945 | if (cfg->iscan_on) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2946 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2947 | INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler); |
| 2948 | } |
| 2949 | |
| 2950 | return 0; |
| 2951 | } |
| 2952 | |
| 2953 | static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el) |
| 2954 | { |
| 2955 | memset(el, 0, sizeof(*el)); |
| 2956 | el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done; |
| 2957 | el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress; |
| 2958 | el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending; |
| 2959 | el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted; |
| 2960 | el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted; |
| 2961 | } |
| 2962 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2963 | static s32 brcmf_init_iscan(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2964 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2965 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2966 | int err = 0; |
| 2967 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2968 | if (cfg->iscan_on) { |
| 2969 | iscan->ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2970 | brcmf_init_iscan_eloop(&iscan->el); |
| 2971 | iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS; |
| 2972 | init_timer(&iscan->timer); |
| 2973 | iscan->timer.data = (unsigned long) iscan; |
| 2974 | iscan->timer.function = brcmf_iscan_timer; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2975 | err = brcmf_invoke_iscan(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2976 | if (!err) |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2977 | iscan->data = cfg; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2978 | } |
| 2979 | |
| 2980 | return err; |
| 2981 | } |
| 2982 | |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 2983 | static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) |
| 2984 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2985 | struct brcmf_cfg80211_info *cfg = |
| 2986 | container_of(work, struct brcmf_cfg80211_info, |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 2987 | escan_timeout_work); |
| 2988 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2989 | brcmf_notify_escan_complete(cfg, |
| 2990 | cfg->escan_info.ndev, true, true); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 2991 | } |
| 2992 | |
| 2993 | static void brcmf_escan_timeout(unsigned long data) |
| 2994 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2995 | struct brcmf_cfg80211_info *cfg = |
| 2996 | (struct brcmf_cfg80211_info *)data; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 2997 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 2998 | if (cfg->scan_request) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 2999 | WL_ERR("timer expired\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3000 | if (cfg->escan_on) |
| 3001 | schedule_work(&cfg->escan_timeout_work); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3002 | } |
| 3003 | } |
| 3004 | |
| 3005 | static s32 |
| 3006 | brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, |
| 3007 | struct brcmf_bss_info_le *bss_info_le) |
| 3008 | { |
| 3009 | if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && |
| 3010 | (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) == |
| 3011 | CHSPEC_BAND(le16_to_cpu(bss->chanspec))) && |
| 3012 | bss_info_le->SSID_len == bss->SSID_len && |
| 3013 | !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { |
| 3014 | if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) == |
| 3015 | (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL)) { |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 3016 | s16 bss_rssi = le16_to_cpu(bss->RSSI); |
| 3017 | s16 bss_info_rssi = le16_to_cpu(bss_info_le->RSSI); |
| 3018 | |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3019 | /* preserve max RSSI if the measurements are |
| 3020 | * both on-channel or both off-channel |
| 3021 | */ |
Arend van Spriel | 029591f | 2012-09-19 22:21:06 +0200 | [diff] [blame] | 3022 | if (bss_info_rssi > bss_rssi) |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3023 | bss->RSSI = bss_info_le->RSSI; |
| 3024 | } else if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) && |
| 3025 | (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL) == 0) { |
| 3026 | /* preserve the on-channel rssi measurement |
| 3027 | * if the new measurement is off channel |
| 3028 | */ |
| 3029 | bss->RSSI = bss_info_le->RSSI; |
| 3030 | bss->flags |= WLC_BSS_RSSI_ON_CHANNEL; |
| 3031 | } |
| 3032 | return 1; |
| 3033 | } |
| 3034 | return 0; |
| 3035 | } |
| 3036 | |
| 3037 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3038 | brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_info *cfg, |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3039 | struct net_device *ndev, |
| 3040 | const struct brcmf_event_msg *e, void *data) |
| 3041 | { |
| 3042 | s32 status; |
| 3043 | s32 err = 0; |
| 3044 | struct brcmf_escan_result_le *escan_result_le; |
| 3045 | struct brcmf_bss_info_le *bss_info_le; |
| 3046 | struct brcmf_bss_info_le *bss = NULL; |
| 3047 | u32 bi_length; |
| 3048 | struct brcmf_scan_results *list; |
| 3049 | u32 i; |
Arend van Spriel | 97ed15c | 2012-09-13 21:12:06 +0200 | [diff] [blame] | 3050 | bool aborted; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3051 | |
| 3052 | status = be32_to_cpu(e->status); |
| 3053 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3054 | if (!ndev || !cfg->escan_on || |
| 3055 | !test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3056 | WL_ERR("scan not ready ndev %p wl->escan_on %d drv_status %x\n", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3057 | ndev, cfg->escan_on, |
| 3058 | !test_bit(WL_STATUS_SCANNING, &cfg->status)); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3059 | return -EPERM; |
| 3060 | } |
| 3061 | |
| 3062 | if (status == BRCMF_E_STATUS_PARTIAL) { |
| 3063 | WL_SCAN("ESCAN Partial result\n"); |
| 3064 | escan_result_le = (struct brcmf_escan_result_le *) data; |
| 3065 | if (!escan_result_le) { |
| 3066 | WL_ERR("Invalid escan result (NULL pointer)\n"); |
| 3067 | goto exit; |
| 3068 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3069 | if (!cfg->scan_request) { |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3070 | WL_SCAN("result without cfg80211 request\n"); |
| 3071 | goto exit; |
| 3072 | } |
| 3073 | |
| 3074 | if (le16_to_cpu(escan_result_le->bss_count) != 1) { |
| 3075 | WL_ERR("Invalid bss_count %d: ignoring\n", |
| 3076 | escan_result_le->bss_count); |
| 3077 | goto exit; |
| 3078 | } |
| 3079 | bss_info_le = &escan_result_le->bss_info_le; |
| 3080 | |
| 3081 | bi_length = le32_to_cpu(bss_info_le->length); |
| 3082 | if (bi_length != (le32_to_cpu(escan_result_le->buflen) - |
| 3083 | WL_ESCAN_RESULTS_FIXED_SIZE)) { |
| 3084 | WL_ERR("Invalid bss_info length %d: ignoring\n", |
| 3085 | bi_length); |
| 3086 | goto exit; |
| 3087 | } |
| 3088 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3089 | if (!(cfg_to_wiphy(cfg)->interface_modes & |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3090 | BIT(NL80211_IFTYPE_ADHOC))) { |
| 3091 | if (le16_to_cpu(bss_info_le->capability) & |
| 3092 | WLAN_CAPABILITY_IBSS) { |
| 3093 | WL_ERR("Ignoring IBSS result\n"); |
| 3094 | goto exit; |
| 3095 | } |
| 3096 | } |
| 3097 | |
| 3098 | list = (struct brcmf_scan_results *) |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3099 | cfg->escan_info.escan_buf; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3100 | if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { |
| 3101 | WL_ERR("Buffer is too small: ignoring\n"); |
| 3102 | goto exit; |
| 3103 | } |
| 3104 | |
| 3105 | for (i = 0; i < list->count; i++) { |
| 3106 | bss = bss ? (struct brcmf_bss_info_le *) |
| 3107 | ((unsigned char *)bss + |
| 3108 | le32_to_cpu(bss->length)) : list->bss_info_le; |
| 3109 | if (brcmf_compare_update_same_bss(bss, bss_info_le)) |
| 3110 | goto exit; |
| 3111 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3112 | memcpy(&(cfg->escan_info.escan_buf[list->buflen]), |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3113 | bss_info_le, bi_length); |
| 3114 | list->version = le32_to_cpu(bss_info_le->version); |
| 3115 | list->buflen += bi_length; |
| 3116 | list->count++; |
| 3117 | } else { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3118 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
| 3119 | if (cfg->scan_request) { |
| 3120 | cfg->bss_list = (struct brcmf_scan_results *) |
| 3121 | cfg->escan_info.escan_buf; |
| 3122 | brcmf_inform_bss(cfg); |
Arend van Spriel | 97ed15c | 2012-09-13 21:12:06 +0200 | [diff] [blame] | 3123 | aborted = status != BRCMF_E_STATUS_SUCCESS; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3124 | brcmf_notify_escan_complete(cfg, ndev, aborted, |
Arend van Spriel | 97ed15c | 2012-09-13 21:12:06 +0200 | [diff] [blame] | 3125 | false); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3126 | } else |
| 3127 | WL_ERR("Unexpected scan result 0x%x\n", status); |
| 3128 | } |
| 3129 | exit: |
| 3130 | return err; |
| 3131 | } |
| 3132 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3133 | static void brcmf_init_escan(struct brcmf_cfg80211_info *cfg) |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3134 | { |
| 3135 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3136 | if (cfg->escan_on) { |
| 3137 | cfg->el.handler[BRCMF_E_ESCAN_RESULT] = |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3138 | brcmf_cfg80211_escan_handler; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3139 | cfg->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3140 | /* Init scan_timeout timer */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3141 | init_timer(&cfg->escan_timeout); |
| 3142 | cfg->escan_timeout.data = (unsigned long) cfg; |
| 3143 | cfg->escan_timeout.function = brcmf_escan_timeout; |
| 3144 | INIT_WORK(&cfg->escan_timeout_work, |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 3145 | brcmf_cfg80211_escan_timeout_worker); |
| 3146 | } |
| 3147 | } |
| 3148 | |
Alexandre Oliva | 5addc0d | 2012-01-16 14:00:12 -0500 | [diff] [blame] | 3149 | static __always_inline void brcmf_delay(u32 ms) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3150 | { |
| 3151 | if (ms < 1000 / HZ) { |
| 3152 | cond_resched(); |
| 3153 | mdelay(ms); |
| 3154 | } else { |
| 3155 | msleep(ms); |
| 3156 | } |
| 3157 | } |
| 3158 | |
| 3159 | static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) |
| 3160 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3161 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3162 | |
| 3163 | /* |
| 3164 | * Check for WL_STATUS_READY before any function call which |
| 3165 | * could result is bus access. Don't block the resume for |
| 3166 | * any driver error conditions |
| 3167 | */ |
| 3168 | WL_TRACE("Enter\n"); |
| 3169 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3170 | if (test_bit(WL_STATUS_READY, &cfg->status)) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3171 | brcmf_invoke_iscan(wiphy_to_cfg(wiphy)); |
| 3172 | |
| 3173 | WL_TRACE("Exit\n"); |
| 3174 | return 0; |
| 3175 | } |
| 3176 | |
| 3177 | static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, |
| 3178 | struct cfg80211_wowlan *wow) |
| 3179 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3180 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 3181 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3182 | |
| 3183 | WL_TRACE("Enter\n"); |
| 3184 | |
| 3185 | /* |
| 3186 | * Check for WL_STATUS_READY before any function call which |
| 3187 | * could result is bus access. Don't block the suspend for |
| 3188 | * any driver error conditions |
| 3189 | */ |
| 3190 | |
| 3191 | /* |
| 3192 | * While going to suspend if associated with AP disassociate |
| 3193 | * from AP to save power while system is in suspended state |
| 3194 | */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3195 | if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) || |
| 3196 | test_bit(WL_STATUS_CONNECTING, &cfg->status)) && |
| 3197 | test_bit(WL_STATUS_READY, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3198 | WL_INFO("Disassociating from AP" |
| 3199 | " while entering suspend state\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3200 | brcmf_link_down(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3201 | |
| 3202 | /* |
| 3203 | * Make sure WPA_Supplicant receives all the event |
| 3204 | * generated due to DISASSOC call to the fw to keep |
| 3205 | * the state fw and WPA_Supplicant state consistent |
| 3206 | */ |
| 3207 | brcmf_delay(500); |
| 3208 | } |
| 3209 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3210 | if (test_bit(WL_STATUS_READY, &cfg->status)) |
| 3211 | brcmf_abort_scanning(cfg); |
Arend van Spriel | 108a4be | 2012-09-19 22:21:07 +0200 | [diff] [blame] | 3212 | else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3213 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3214 | |
| 3215 | /* Turn off watchdog timer */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3216 | if (test_bit(WL_STATUS_READY, &cfg->status)) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3217 | brcmf_set_mpc(ndev, 1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3218 | |
| 3219 | WL_TRACE("Exit\n"); |
| 3220 | |
| 3221 | return 0; |
| 3222 | } |
| 3223 | |
| 3224 | static __used s32 |
| 3225 | brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len) |
| 3226 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3227 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3228 | u32 buflen; |
| 3229 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3230 | buflen = brcmf_c_mkiovar(name, buf, len, cfg->dcmd_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3231 | WL_DCMD_LEN_MAX); |
| 3232 | BUG_ON(!buflen); |
| 3233 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3234 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg->dcmd_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3235 | buflen); |
| 3236 | } |
| 3237 | |
| 3238 | static s32 |
| 3239 | brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf, |
| 3240 | s32 buf_len) |
| 3241 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3242 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3243 | u32 len; |
| 3244 | s32 err = 0; |
| 3245 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3246 | len = brcmf_c_mkiovar(name, NULL, 0, cfg->dcmd_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3247 | WL_DCMD_LEN_MAX); |
| 3248 | BUG_ON(!len); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3249 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg->dcmd_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3250 | WL_DCMD_LEN_MAX); |
| 3251 | if (err) { |
| 3252 | WL_ERR("error (%d)\n", err); |
| 3253 | return err; |
| 3254 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3255 | memcpy(buf, cfg->dcmd_buf, buf_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3256 | |
| 3257 | return err; |
| 3258 | } |
| 3259 | |
| 3260 | static __used s32 |
| 3261 | brcmf_update_pmklist(struct net_device *ndev, |
| 3262 | struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) |
| 3263 | { |
| 3264 | int i, j; |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3265 | int pmkid_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3266 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3267 | pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); |
| 3268 | |
| 3269 | WL_CONN("No of elements %d\n", pmkid_len); |
| 3270 | for (i = 0; i < pmkid_len; i++) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3271 | WL_CONN("PMKID[%d]: %pM =\n", i, |
| 3272 | &pmk_list->pmkids.pmkid[i].BSSID); |
| 3273 | for (j = 0; j < WLAN_PMKID_LEN; j++) |
| 3274 | WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]); |
| 3275 | } |
| 3276 | |
| 3277 | if (!err) |
| 3278 | brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list, |
| 3279 | sizeof(*pmk_list)); |
| 3280 | |
| 3281 | return err; |
| 3282 | } |
| 3283 | |
| 3284 | static s32 |
| 3285 | brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, |
| 3286 | struct cfg80211_pmksa *pmksa) |
| 3287 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3288 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 3289 | struct pmkid_list *pmkids = &cfg->pmk_list->pmkids; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3290 | s32 err = 0; |
| 3291 | int i; |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3292 | int pmkid_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3293 | |
| 3294 | WL_TRACE("Enter\n"); |
| 3295 | if (!check_sys_up(wiphy)) |
| 3296 | return -EIO; |
| 3297 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3298 | pmkid_len = le32_to_cpu(pmkids->npmkid); |
| 3299 | for (i = 0; i < pmkid_len; i++) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3300 | if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) |
| 3301 | break; |
| 3302 | if (i < WL_NUM_PMKIDS_MAX) { |
| 3303 | memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); |
| 3304 | memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3305 | if (i == pmkid_len) { |
| 3306 | pmkid_len++; |
| 3307 | pmkids->npmkid = cpu_to_le32(pmkid_len); |
| 3308 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3309 | } else |
| 3310 | err = -EINVAL; |
| 3311 | |
| 3312 | WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3313 | pmkids->pmkid[pmkid_len].BSSID); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3314 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3315 | WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3316 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3317 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3318 | |
| 3319 | WL_TRACE("Exit\n"); |
| 3320 | return err; |
| 3321 | } |
| 3322 | |
| 3323 | static s32 |
| 3324 | brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, |
| 3325 | struct cfg80211_pmksa *pmksa) |
| 3326 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3327 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3328 | struct pmkid_list pmkid; |
| 3329 | s32 err = 0; |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3330 | int i, pmkid_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3331 | |
| 3332 | WL_TRACE("Enter\n"); |
| 3333 | if (!check_sys_up(wiphy)) |
| 3334 | return -EIO; |
| 3335 | |
| 3336 | memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); |
| 3337 | memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
| 3338 | |
| 3339 | WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", |
| 3340 | &pmkid.pmkid[0].BSSID); |
| 3341 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
| 3342 | WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]); |
| 3343 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3344 | pmkid_len = le32_to_cpu(cfg->pmk_list->pmkids.npmkid); |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3345 | for (i = 0; i < pmkid_len; i++) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3346 | if (!memcmp |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3347 | (pmksa->bssid, &cfg->pmk_list->pmkids.pmkid[i].BSSID, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3348 | ETH_ALEN)) |
| 3349 | break; |
| 3350 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3351 | if ((pmkid_len > 0) |
| 3352 | && (i < pmkid_len)) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3353 | memset(&cfg->pmk_list->pmkids.pmkid[i], 0, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3354 | sizeof(struct pmkid)); |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3355 | for (; i < (pmkid_len - 1); i++) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3356 | memcpy(&cfg->pmk_list->pmkids.pmkid[i].BSSID, |
| 3357 | &cfg->pmk_list->pmkids.pmkid[i + 1].BSSID, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3358 | ETH_ALEN); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3359 | memcpy(&cfg->pmk_list->pmkids.pmkid[i].PMKID, |
| 3360 | &cfg->pmk_list->pmkids.pmkid[i + 1].PMKID, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3361 | WLAN_PMKID_LEN); |
| 3362 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3363 | cfg->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3364 | } else |
| 3365 | err = -EINVAL; |
| 3366 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3367 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3368 | |
| 3369 | WL_TRACE("Exit\n"); |
| 3370 | return err; |
| 3371 | |
| 3372 | } |
| 3373 | |
| 3374 | static s32 |
| 3375 | brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) |
| 3376 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3377 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3378 | s32 err = 0; |
| 3379 | |
| 3380 | WL_TRACE("Enter\n"); |
| 3381 | if (!check_sys_up(wiphy)) |
| 3382 | return -EIO; |
| 3383 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3384 | memset(cfg->pmk_list, 0, sizeof(*cfg->pmk_list)); |
| 3385 | err = brcmf_update_pmklist(ndev, cfg->pmk_list, err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3386 | |
| 3387 | WL_TRACE("Exit\n"); |
| 3388 | return err; |
| 3389 | |
| 3390 | } |
| 3391 | |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3392 | /* |
| 3393 | * PFN result doesn't have all the info which are |
| 3394 | * required by the supplicant |
| 3395 | * (For e.g IEs) Do a target Escan so that sched scan results are reported |
| 3396 | * via wl_inform_single_bss in the required format. Escan does require the |
| 3397 | * scan request in the form of cfg80211_scan_request. For timebeing, create |
| 3398 | * cfg80211_scan_request one out of the received PNO event. |
| 3399 | */ |
| 3400 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3401 | brcmf_notify_sched_scan_results(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3402 | struct net_device *ndev, |
| 3403 | const struct brcmf_event_msg *e, void *data) |
| 3404 | { |
| 3405 | struct brcmf_pno_net_info_le *netinfo, *netinfo_start; |
| 3406 | struct cfg80211_scan_request *request = NULL; |
| 3407 | struct cfg80211_ssid *ssid = NULL; |
| 3408 | struct ieee80211_channel *channel = NULL; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3409 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3410 | int err = 0; |
| 3411 | int channel_req = 0; |
| 3412 | int band = 0; |
| 3413 | struct brcmf_pno_scanresults_le *pfn_result; |
| 3414 | u32 result_count; |
| 3415 | u32 status; |
| 3416 | |
| 3417 | WL_SCAN("Enter\n"); |
| 3418 | |
| 3419 | if (e->event_type == cpu_to_be32(BRCMF_E_PFN_NET_LOST)) { |
| 3420 | WL_SCAN("PFN NET LOST event. Do Nothing\n"); |
| 3421 | return 0; |
| 3422 | } |
| 3423 | |
| 3424 | pfn_result = (struct brcmf_pno_scanresults_le *)data; |
| 3425 | result_count = le32_to_cpu(pfn_result->count); |
| 3426 | status = le32_to_cpu(pfn_result->status); |
| 3427 | |
| 3428 | /* |
| 3429 | * PFN event is limited to fit 512 bytes so we may get |
| 3430 | * multiple NET_FOUND events. For now place a warning here. |
| 3431 | */ |
| 3432 | WARN_ON(status != BRCMF_PNO_SCAN_COMPLETE); |
| 3433 | WL_SCAN("PFN NET FOUND event. count: %d\n", result_count); |
| 3434 | if (result_count > 0) { |
| 3435 | int i; |
| 3436 | |
| 3437 | request = kzalloc(sizeof(*request), GFP_KERNEL); |
Dan Carpenter | 58901d1 | 2012-09-26 10:21:48 +0300 | [diff] [blame] | 3438 | ssid = kcalloc(result_count, sizeof(*ssid), GFP_KERNEL); |
| 3439 | channel = kcalloc(result_count, sizeof(*channel), GFP_KERNEL); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3440 | if (!request || !ssid || !channel) { |
| 3441 | err = -ENOMEM; |
| 3442 | goto out_err; |
| 3443 | } |
| 3444 | |
| 3445 | request->wiphy = wiphy; |
| 3446 | data += sizeof(struct brcmf_pno_scanresults_le); |
| 3447 | netinfo_start = (struct brcmf_pno_net_info_le *)data; |
| 3448 | |
| 3449 | for (i = 0; i < result_count; i++) { |
| 3450 | netinfo = &netinfo_start[i]; |
| 3451 | if (!netinfo) { |
| 3452 | WL_ERR("Invalid netinfo ptr. index: %d\n", i); |
| 3453 | err = -EINVAL; |
| 3454 | goto out_err; |
| 3455 | } |
| 3456 | |
| 3457 | WL_SCAN("SSID:%s Channel:%d\n", |
| 3458 | netinfo->SSID, netinfo->channel); |
| 3459 | memcpy(ssid[i].ssid, netinfo->SSID, netinfo->SSID_len); |
| 3460 | ssid[i].ssid_len = netinfo->SSID_len; |
| 3461 | request->n_ssids++; |
| 3462 | |
| 3463 | channel_req = netinfo->channel; |
| 3464 | if (channel_req <= CH_MAX_2G_CHANNEL) |
| 3465 | band = NL80211_BAND_2GHZ; |
| 3466 | else |
| 3467 | band = NL80211_BAND_5GHZ; |
| 3468 | channel[i].center_freq = |
| 3469 | ieee80211_channel_to_frequency(channel_req, |
| 3470 | band); |
| 3471 | channel[i].band = band; |
| 3472 | channel[i].flags |= IEEE80211_CHAN_NO_HT40; |
| 3473 | request->channels[i] = &channel[i]; |
| 3474 | request->n_channels++; |
| 3475 | } |
| 3476 | |
| 3477 | /* assign parsed ssid array */ |
| 3478 | if (request->n_ssids) |
| 3479 | request->ssids = &ssid[0]; |
| 3480 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3481 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3482 | /* Abort any on-going scan */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3483 | brcmf_abort_scanning(cfg); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3484 | } |
| 3485 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3486 | set_bit(WL_STATUS_SCANNING, &cfg->status); |
| 3487 | err = brcmf_do_escan(cfg, wiphy, ndev, request); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3488 | if (err) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3489 | clear_bit(WL_STATUS_SCANNING, &cfg->status); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3490 | goto out_err; |
| 3491 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3492 | cfg->sched_escan = true; |
| 3493 | cfg->scan_request = request; |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3494 | } else { |
| 3495 | WL_ERR("FALSE PNO Event. (pfn_count == 0)\n"); |
| 3496 | goto out_err; |
| 3497 | } |
| 3498 | |
| 3499 | kfree(ssid); |
| 3500 | kfree(channel); |
| 3501 | kfree(request); |
| 3502 | return 0; |
| 3503 | |
| 3504 | out_err: |
| 3505 | kfree(ssid); |
| 3506 | kfree(channel); |
| 3507 | kfree(request); |
| 3508 | cfg80211_sched_scan_stopped(wiphy); |
| 3509 | return err; |
| 3510 | } |
| 3511 | |
| 3512 | #ifndef CONFIG_BRCMISCAN |
| 3513 | static int brcmf_dev_pno_clean(struct net_device *ndev) |
| 3514 | { |
| 3515 | char iovbuf[128]; |
| 3516 | int ret; |
| 3517 | |
| 3518 | /* Disable pfn */ |
| 3519 | ret = brcmf_dev_intvar_set(ndev, "pfn", 0); |
| 3520 | if (ret == 0) { |
| 3521 | /* clear pfn */ |
| 3522 | ret = brcmf_dev_iovar_setbuf(ndev, "pfnclear", NULL, 0, |
| 3523 | iovbuf, sizeof(iovbuf)); |
| 3524 | } |
| 3525 | if (ret < 0) |
| 3526 | WL_ERR("failed code %d\n", ret); |
| 3527 | |
| 3528 | return ret; |
| 3529 | } |
| 3530 | |
| 3531 | static int brcmf_dev_pno_config(struct net_device *ndev) |
| 3532 | { |
| 3533 | struct brcmf_pno_param_le pfn_param; |
| 3534 | char iovbuf[128]; |
| 3535 | |
| 3536 | memset(&pfn_param, 0, sizeof(pfn_param)); |
| 3537 | pfn_param.version = cpu_to_le32(BRCMF_PNO_VERSION); |
| 3538 | |
| 3539 | /* set extra pno params */ |
| 3540 | pfn_param.flags = cpu_to_le16(1 << BRCMF_PNO_ENABLE_ADAPTSCAN_BIT); |
| 3541 | pfn_param.repeat = BRCMF_PNO_REPEAT; |
| 3542 | pfn_param.exp = BRCMF_PNO_FREQ_EXPO_MAX; |
| 3543 | |
| 3544 | /* set up pno scan fr */ |
| 3545 | pfn_param.scan_freq = cpu_to_le32(BRCMF_PNO_TIME); |
| 3546 | |
| 3547 | return brcmf_dev_iovar_setbuf(ndev, "pfn_set", |
| 3548 | &pfn_param, sizeof(pfn_param), |
| 3549 | iovbuf, sizeof(iovbuf)); |
| 3550 | } |
| 3551 | |
| 3552 | static int |
| 3553 | brcmf_cfg80211_sched_scan_start(struct wiphy *wiphy, |
| 3554 | struct net_device *ndev, |
| 3555 | struct cfg80211_sched_scan_request *request) |
| 3556 | { |
| 3557 | char iovbuf[128]; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3558 | struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3559 | struct brcmf_pno_net_param_le pfn; |
| 3560 | int i; |
| 3561 | int ret = 0; |
| 3562 | |
| 3563 | WL_SCAN("Enter n_match_sets:%d n_ssids:%d\n", |
| 3564 | request->n_match_sets, request->n_ssids); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3565 | if (test_bit(WL_STATUS_SCANNING, &cfg->status)) { |
| 3566 | WL_ERR("Scanning already : status (%lu)\n", cfg->status); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3567 | return -EAGAIN; |
| 3568 | } |
| 3569 | |
| 3570 | if (!request || !request->n_ssids || !request->n_match_sets) { |
| 3571 | WL_ERR("Invalid sched scan req!! n_ssids:%d\n", |
| 3572 | request->n_ssids); |
| 3573 | return -EINVAL; |
| 3574 | } |
| 3575 | |
| 3576 | if (request->n_ssids > 0) { |
| 3577 | for (i = 0; i < request->n_ssids; i++) { |
| 3578 | /* Active scan req for ssids */ |
| 3579 | WL_SCAN(">>> Active scan req for ssid (%s)\n", |
| 3580 | request->ssids[i].ssid); |
| 3581 | |
| 3582 | /* |
| 3583 | * match_set ssids is a supert set of n_ssid list, |
| 3584 | * so we need not add these set seperately. |
| 3585 | */ |
| 3586 | } |
| 3587 | } |
| 3588 | |
| 3589 | if (request->n_match_sets > 0) { |
| 3590 | /* clean up everything */ |
| 3591 | ret = brcmf_dev_pno_clean(ndev); |
| 3592 | if (ret < 0) { |
| 3593 | WL_ERR("failed error=%d\n", ret); |
| 3594 | return ret; |
| 3595 | } |
| 3596 | |
| 3597 | /* configure pno */ |
| 3598 | ret = brcmf_dev_pno_config(ndev); |
| 3599 | if (ret < 0) { |
| 3600 | WL_ERR("PNO setup failed!! ret=%d\n", ret); |
| 3601 | return -EINVAL; |
| 3602 | } |
| 3603 | |
| 3604 | /* configure each match set */ |
| 3605 | for (i = 0; i < request->n_match_sets; i++) { |
| 3606 | struct cfg80211_ssid *ssid; |
| 3607 | u32 ssid_len; |
| 3608 | |
| 3609 | ssid = &request->match_sets[i].ssid; |
| 3610 | ssid_len = ssid->ssid_len; |
| 3611 | |
| 3612 | if (!ssid_len) { |
| 3613 | WL_ERR("skip broadcast ssid\n"); |
| 3614 | continue; |
| 3615 | } |
| 3616 | pfn.auth = cpu_to_le32(WLAN_AUTH_OPEN); |
| 3617 | pfn.wpa_auth = cpu_to_le32(BRCMF_PNO_WPA_AUTH_ANY); |
| 3618 | pfn.wsec = cpu_to_le32(0); |
| 3619 | pfn.infra = cpu_to_le32(1); |
| 3620 | pfn.flags = cpu_to_le32(1 << BRCMF_PNO_HIDDEN_BIT); |
| 3621 | pfn.ssid.SSID_len = cpu_to_le32(ssid_len); |
| 3622 | memcpy(pfn.ssid.SSID, ssid->ssid, ssid_len); |
| 3623 | ret = brcmf_dev_iovar_setbuf(ndev, "pfn_add", |
| 3624 | &pfn, sizeof(pfn), |
| 3625 | iovbuf, sizeof(iovbuf)); |
| 3626 | WL_SCAN(">>> PNO filter %s for ssid (%s)\n", |
| 3627 | ret == 0 ? "set" : "failed", |
| 3628 | ssid->ssid); |
| 3629 | } |
| 3630 | /* Enable the PNO */ |
| 3631 | if (brcmf_dev_intvar_set(ndev, "pfn", 1) < 0) { |
| 3632 | WL_ERR("PNO enable failed!! ret=%d\n", ret); |
| 3633 | return -EINVAL; |
| 3634 | } |
| 3635 | } else { |
| 3636 | return -EINVAL; |
| 3637 | } |
| 3638 | |
| 3639 | return 0; |
| 3640 | } |
| 3641 | |
| 3642 | static int brcmf_cfg80211_sched_scan_stop(struct wiphy *wiphy, |
| 3643 | struct net_device *ndev) |
| 3644 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3645 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3646 | |
| 3647 | WL_SCAN("enter\n"); |
| 3648 | brcmf_dev_pno_clean(ndev); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3649 | if (cfg->sched_escan) |
| 3650 | brcmf_notify_escan_complete(cfg, ndev, true, true); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 3651 | return 0; |
| 3652 | } |
| 3653 | #endif /* CONFIG_BRCMISCAN */ |
| 3654 | |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 3655 | #ifdef CONFIG_NL80211_TESTMODE |
| 3656 | static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) |
| 3657 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3658 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
| 3659 | struct net_device *ndev = cfg->wdev->netdev; |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 3660 | struct brcmf_dcmd *dcmd = data; |
| 3661 | struct sk_buff *reply; |
| 3662 | int ret; |
| 3663 | |
| 3664 | ret = brcmf_netlink_dcmd(ndev, dcmd); |
| 3665 | if (ret == 0) { |
| 3666 | reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*dcmd)); |
| 3667 | nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*dcmd), dcmd); |
| 3668 | ret = cfg80211_testmode_reply(reply); |
| 3669 | } |
| 3670 | return ret; |
| 3671 | } |
| 3672 | #endif |
| 3673 | |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 3674 | static s32 brcmf_configure_opensecurity(struct net_device *ndev, s32 bssidx) |
| 3675 | { |
| 3676 | s32 err; |
| 3677 | |
| 3678 | /* set auth */ |
| 3679 | err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", 0, bssidx); |
| 3680 | if (err < 0) { |
| 3681 | WL_ERR("auth error %d\n", err); |
| 3682 | return err; |
| 3683 | } |
| 3684 | /* set wsec */ |
| 3685 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", 0, bssidx); |
| 3686 | if (err < 0) { |
| 3687 | WL_ERR("wsec error %d\n", err); |
| 3688 | return err; |
| 3689 | } |
| 3690 | /* set upper-layer auth */ |
| 3691 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wpa_auth", |
| 3692 | WPA_AUTH_NONE, bssidx); |
| 3693 | if (err < 0) { |
| 3694 | WL_ERR("wpa_auth error %d\n", err); |
| 3695 | return err; |
| 3696 | } |
| 3697 | |
| 3698 | return 0; |
| 3699 | } |
| 3700 | |
| 3701 | static bool brcmf_valid_wpa_oui(u8 *oui, bool is_rsn_ie) |
| 3702 | { |
| 3703 | if (is_rsn_ie) |
| 3704 | return (memcmp(oui, RSN_OUI, TLV_OUI_LEN) == 0); |
| 3705 | |
| 3706 | return (memcmp(oui, WPA_OUI, TLV_OUI_LEN) == 0); |
| 3707 | } |
| 3708 | |
| 3709 | static s32 |
| 3710 | brcmf_configure_wpaie(struct net_device *ndev, struct brcmf_vs_tlv *wpa_ie, |
| 3711 | bool is_rsn_ie, s32 bssidx) |
| 3712 | { |
| 3713 | u32 auth = 0; /* d11 open authentication */ |
| 3714 | u16 count; |
| 3715 | s32 err = 0; |
| 3716 | s32 len = 0; |
| 3717 | u32 i; |
| 3718 | u32 wsec; |
| 3719 | u32 pval = 0; |
| 3720 | u32 gval = 0; |
| 3721 | u32 wpa_auth = 0; |
| 3722 | u32 offset; |
| 3723 | u8 *data; |
| 3724 | u16 rsn_cap; |
| 3725 | u32 wme_bss_disable; |
| 3726 | |
| 3727 | WL_TRACE("Enter\n"); |
| 3728 | if (wpa_ie == NULL) |
| 3729 | goto exit; |
| 3730 | |
| 3731 | len = wpa_ie->len + TLV_HDR_LEN; |
| 3732 | data = (u8 *)wpa_ie; |
| 3733 | offset = 0; |
| 3734 | if (!is_rsn_ie) |
| 3735 | offset += VS_IE_FIXED_HDR_LEN; |
| 3736 | offset += WPA_IE_VERSION_LEN; |
| 3737 | |
| 3738 | /* check for multicast cipher suite */ |
| 3739 | if (offset + WPA_IE_MIN_OUI_LEN > len) { |
| 3740 | err = -EINVAL; |
| 3741 | WL_ERR("no multicast cipher suite\n"); |
| 3742 | goto exit; |
| 3743 | } |
| 3744 | |
| 3745 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { |
| 3746 | err = -EINVAL; |
| 3747 | WL_ERR("ivalid OUI\n"); |
| 3748 | goto exit; |
| 3749 | } |
| 3750 | offset += TLV_OUI_LEN; |
| 3751 | |
| 3752 | /* pick up multicast cipher */ |
| 3753 | switch (data[offset]) { |
| 3754 | case WPA_CIPHER_NONE: |
| 3755 | gval = 0; |
| 3756 | break; |
| 3757 | case WPA_CIPHER_WEP_40: |
| 3758 | case WPA_CIPHER_WEP_104: |
| 3759 | gval = WEP_ENABLED; |
| 3760 | break; |
| 3761 | case WPA_CIPHER_TKIP: |
| 3762 | gval = TKIP_ENABLED; |
| 3763 | break; |
| 3764 | case WPA_CIPHER_AES_CCM: |
| 3765 | gval = AES_ENABLED; |
| 3766 | break; |
| 3767 | default: |
| 3768 | err = -EINVAL; |
| 3769 | WL_ERR("Invalid multi cast cipher info\n"); |
| 3770 | goto exit; |
| 3771 | } |
| 3772 | |
| 3773 | offset++; |
| 3774 | /* walk thru unicast cipher list and pick up what we recognize */ |
| 3775 | count = data[offset] + (data[offset + 1] << 8); |
| 3776 | offset += WPA_IE_SUITE_COUNT_LEN; |
| 3777 | /* Check for unicast suite(s) */ |
| 3778 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { |
| 3779 | err = -EINVAL; |
| 3780 | WL_ERR("no unicast cipher suite\n"); |
| 3781 | goto exit; |
| 3782 | } |
| 3783 | for (i = 0; i < count; i++) { |
| 3784 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { |
| 3785 | err = -EINVAL; |
| 3786 | WL_ERR("ivalid OUI\n"); |
| 3787 | goto exit; |
| 3788 | } |
| 3789 | offset += TLV_OUI_LEN; |
| 3790 | switch (data[offset]) { |
| 3791 | case WPA_CIPHER_NONE: |
| 3792 | break; |
| 3793 | case WPA_CIPHER_WEP_40: |
| 3794 | case WPA_CIPHER_WEP_104: |
| 3795 | pval |= WEP_ENABLED; |
| 3796 | break; |
| 3797 | case WPA_CIPHER_TKIP: |
| 3798 | pval |= TKIP_ENABLED; |
| 3799 | break; |
| 3800 | case WPA_CIPHER_AES_CCM: |
| 3801 | pval |= AES_ENABLED; |
| 3802 | break; |
| 3803 | default: |
| 3804 | WL_ERR("Ivalid unicast security info\n"); |
| 3805 | } |
| 3806 | offset++; |
| 3807 | } |
| 3808 | /* walk thru auth management suite list and pick up what we recognize */ |
| 3809 | count = data[offset] + (data[offset + 1] << 8); |
| 3810 | offset += WPA_IE_SUITE_COUNT_LEN; |
| 3811 | /* Check for auth key management suite(s) */ |
| 3812 | if (offset + (WPA_IE_MIN_OUI_LEN * count) > len) { |
| 3813 | err = -EINVAL; |
| 3814 | WL_ERR("no auth key mgmt suite\n"); |
| 3815 | goto exit; |
| 3816 | } |
| 3817 | for (i = 0; i < count; i++) { |
| 3818 | if (!brcmf_valid_wpa_oui(&data[offset], is_rsn_ie)) { |
| 3819 | err = -EINVAL; |
| 3820 | WL_ERR("ivalid OUI\n"); |
| 3821 | goto exit; |
| 3822 | } |
| 3823 | offset += TLV_OUI_LEN; |
| 3824 | switch (data[offset]) { |
| 3825 | case RSN_AKM_NONE: |
| 3826 | WL_TRACE("RSN_AKM_NONE\n"); |
| 3827 | wpa_auth |= WPA_AUTH_NONE; |
| 3828 | break; |
| 3829 | case RSN_AKM_UNSPECIFIED: |
| 3830 | WL_TRACE("RSN_AKM_UNSPECIFIED\n"); |
| 3831 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_UNSPECIFIED) : |
| 3832 | (wpa_auth |= WPA_AUTH_UNSPECIFIED); |
| 3833 | break; |
| 3834 | case RSN_AKM_PSK: |
| 3835 | WL_TRACE("RSN_AKM_PSK\n"); |
| 3836 | is_rsn_ie ? (wpa_auth |= WPA2_AUTH_PSK) : |
| 3837 | (wpa_auth |= WPA_AUTH_PSK); |
| 3838 | break; |
| 3839 | default: |
| 3840 | WL_ERR("Ivalid key mgmt info\n"); |
| 3841 | } |
| 3842 | offset++; |
| 3843 | } |
| 3844 | |
| 3845 | if (is_rsn_ie) { |
| 3846 | wme_bss_disable = 1; |
| 3847 | if ((offset + RSN_CAP_LEN) <= len) { |
| 3848 | rsn_cap = data[offset] + (data[offset + 1] << 8); |
| 3849 | if (rsn_cap & RSN_CAP_PTK_REPLAY_CNTR_MASK) |
| 3850 | wme_bss_disable = 0; |
| 3851 | } |
| 3852 | /* set wme_bss_disable to sync RSN Capabilities */ |
| 3853 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wme_bss_disable", |
| 3854 | wme_bss_disable, bssidx); |
| 3855 | if (err < 0) { |
| 3856 | WL_ERR("wme_bss_disable error %d\n", err); |
| 3857 | goto exit; |
| 3858 | } |
| 3859 | } |
| 3860 | /* FOR WPS , set SES_OW_ENABLED */ |
| 3861 | wsec = (pval | gval | SES_OW_ENABLED); |
| 3862 | |
| 3863 | /* set auth */ |
| 3864 | err = brcmf_dev_intvar_set_bsscfg(ndev, "auth", auth, bssidx); |
| 3865 | if (err < 0) { |
| 3866 | WL_ERR("auth error %d\n", err); |
| 3867 | goto exit; |
| 3868 | } |
| 3869 | /* set wsec */ |
| 3870 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wsec", wsec, bssidx); |
| 3871 | if (err < 0) { |
| 3872 | WL_ERR("wsec error %d\n", err); |
| 3873 | goto exit; |
| 3874 | } |
| 3875 | /* set upper-layer auth */ |
| 3876 | err = brcmf_dev_intvar_set_bsscfg(ndev, "wpa_auth", wpa_auth, bssidx); |
| 3877 | if (err < 0) { |
| 3878 | WL_ERR("wpa_auth error %d\n", err); |
| 3879 | goto exit; |
| 3880 | } |
| 3881 | |
| 3882 | exit: |
| 3883 | return err; |
| 3884 | } |
| 3885 | |
| 3886 | static s32 |
| 3887 | brcmf_parse_vndr_ies(u8 *vndr_ie_buf, u32 vndr_ie_len, |
| 3888 | struct parsed_vndr_ies *vndr_ies) |
| 3889 | { |
| 3890 | s32 err = 0; |
| 3891 | struct brcmf_vs_tlv *vndrie; |
| 3892 | struct brcmf_tlv *ie; |
| 3893 | struct parsed_vndr_ie_info *parsed_info; |
| 3894 | s32 remaining_len; |
| 3895 | |
| 3896 | remaining_len = (s32)vndr_ie_len; |
| 3897 | memset(vndr_ies, 0, sizeof(*vndr_ies)); |
| 3898 | |
| 3899 | ie = (struct brcmf_tlv *)vndr_ie_buf; |
| 3900 | while (ie) { |
| 3901 | if (ie->id != WLAN_EID_VENDOR_SPECIFIC) |
| 3902 | goto next; |
| 3903 | vndrie = (struct brcmf_vs_tlv *)ie; |
| 3904 | /* len should be bigger than OUI length + one */ |
| 3905 | if (vndrie->len < (VS_IE_FIXED_HDR_LEN - TLV_HDR_LEN + 1)) { |
| 3906 | WL_ERR("invalid vndr ie. length is too small %d\n", |
| 3907 | vndrie->len); |
| 3908 | goto next; |
| 3909 | } |
| 3910 | /* if wpa or wme ie, do not add ie */ |
| 3911 | if (!memcmp(vndrie->oui, (u8 *)WPA_OUI, TLV_OUI_LEN) && |
| 3912 | ((vndrie->oui_type == WPA_OUI_TYPE) || |
| 3913 | (vndrie->oui_type == WME_OUI_TYPE))) { |
| 3914 | WL_TRACE("Found WPA/WME oui. Do not add it\n"); |
| 3915 | goto next; |
| 3916 | } |
| 3917 | |
| 3918 | parsed_info = &vndr_ies->ie_info[vndr_ies->count]; |
| 3919 | |
| 3920 | /* save vndr ie information */ |
| 3921 | parsed_info->ie_ptr = (char *)vndrie; |
| 3922 | parsed_info->ie_len = vndrie->len + TLV_HDR_LEN; |
| 3923 | memcpy(&parsed_info->vndrie, vndrie, sizeof(*vndrie)); |
| 3924 | |
| 3925 | vndr_ies->count++; |
| 3926 | |
| 3927 | WL_TRACE("** OUI %02x %02x %02x, type 0x%02x\n", |
| 3928 | parsed_info->vndrie.oui[0], |
| 3929 | parsed_info->vndrie.oui[1], |
| 3930 | parsed_info->vndrie.oui[2], |
| 3931 | parsed_info->vndrie.oui_type); |
| 3932 | |
| 3933 | if (vndr_ies->count >= MAX_VNDR_IE_NUMBER) |
| 3934 | break; |
| 3935 | next: |
| 3936 | remaining_len -= ie->len; |
| 3937 | if (remaining_len <= 2) |
| 3938 | ie = NULL; |
| 3939 | else |
| 3940 | ie = (struct brcmf_tlv *)(((u8 *)ie) + ie->len); |
| 3941 | } |
| 3942 | return err; |
| 3943 | } |
| 3944 | |
| 3945 | static u32 |
| 3946 | brcmf_vndr_ie(u8 *iebuf, s32 pktflag, u8 *ie_ptr, u32 ie_len, s8 *add_del_cmd) |
| 3947 | { |
| 3948 | |
| 3949 | __le32 iecount_le; |
| 3950 | __le32 pktflag_le; |
| 3951 | |
| 3952 | strncpy(iebuf, add_del_cmd, VNDR_IE_CMD_LEN - 1); |
| 3953 | iebuf[VNDR_IE_CMD_LEN - 1] = '\0'; |
| 3954 | |
| 3955 | iecount_le = cpu_to_le32(1); |
| 3956 | memcpy(&iebuf[VNDR_IE_COUNT_OFFSET], &iecount_le, sizeof(iecount_le)); |
| 3957 | |
| 3958 | pktflag_le = cpu_to_le32(pktflag); |
| 3959 | memcpy(&iebuf[VNDR_IE_PKTFLAG_OFFSET], &pktflag_le, sizeof(pktflag_le)); |
| 3960 | |
| 3961 | memcpy(&iebuf[VNDR_IE_VSIE_OFFSET], ie_ptr, ie_len); |
| 3962 | |
| 3963 | return ie_len + VNDR_IE_HDR_SIZE; |
| 3964 | } |
| 3965 | |
| 3966 | s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3967 | brcmf_set_management_ie(struct brcmf_cfg80211_info *cfg, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 3968 | struct net_device *ndev, s32 bssidx, s32 pktflag, |
| 3969 | u8 *vndr_ie_buf, u32 vndr_ie_len) |
| 3970 | { |
| 3971 | s32 err = 0; |
| 3972 | u8 *iovar_ie_buf; |
| 3973 | u8 *curr_ie_buf; |
| 3974 | u8 *mgmt_ie_buf = NULL; |
| 3975 | u32 mgmt_ie_buf_len = 0; |
| 3976 | u32 *mgmt_ie_len = 0; |
| 3977 | u32 del_add_ie_buf_len = 0; |
| 3978 | u32 total_ie_buf_len = 0; |
| 3979 | u32 parsed_ie_buf_len = 0; |
| 3980 | struct parsed_vndr_ies old_vndr_ies; |
| 3981 | struct parsed_vndr_ies new_vndr_ies; |
| 3982 | struct parsed_vndr_ie_info *vndrie_info; |
| 3983 | s32 i; |
| 3984 | u8 *ptr; |
| 3985 | u32 remained_buf_len; |
| 3986 | |
| 3987 | WL_TRACE("bssidx %d, pktflag : 0x%02X\n", bssidx, pktflag); |
| 3988 | iovar_ie_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
| 3989 | if (!iovar_ie_buf) |
| 3990 | return -ENOMEM; |
| 3991 | curr_ie_buf = iovar_ie_buf; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3992 | if (test_bit(WL_STATUS_AP_CREATING, &cfg->status) || |
| 3993 | test_bit(WL_STATUS_AP_CREATED, &cfg->status)) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 3994 | switch (pktflag) { |
| 3995 | case VNDR_IE_PRBRSP_FLAG: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3996 | mgmt_ie_buf = cfg->ap_info->probe_res_ie; |
| 3997 | mgmt_ie_len = &cfg->ap_info->probe_res_ie_len; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 3998 | mgmt_ie_buf_len = |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 3999 | sizeof(cfg->ap_info->probe_res_ie); |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4000 | break; |
| 4001 | case VNDR_IE_BEACON_FLAG: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4002 | mgmt_ie_buf = cfg->ap_info->beacon_ie; |
| 4003 | mgmt_ie_len = &cfg->ap_info->beacon_ie_len; |
| 4004 | mgmt_ie_buf_len = sizeof(cfg->ap_info->beacon_ie); |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4005 | break; |
| 4006 | default: |
| 4007 | err = -EPERM; |
| 4008 | WL_ERR("not suitable type\n"); |
| 4009 | goto exit; |
| 4010 | } |
| 4011 | bssidx = 0; |
| 4012 | } else { |
| 4013 | err = -EPERM; |
| 4014 | WL_ERR("not suitable type\n"); |
| 4015 | goto exit; |
| 4016 | } |
| 4017 | |
| 4018 | if (vndr_ie_len > mgmt_ie_buf_len) { |
| 4019 | err = -ENOMEM; |
| 4020 | WL_ERR("extra IE size too big\n"); |
| 4021 | goto exit; |
| 4022 | } |
| 4023 | |
| 4024 | /* parse and save new vndr_ie in curr_ie_buff before comparing it */ |
| 4025 | if (vndr_ie_buf && vndr_ie_len && curr_ie_buf) { |
| 4026 | ptr = curr_ie_buf; |
| 4027 | brcmf_parse_vndr_ies(vndr_ie_buf, vndr_ie_len, &new_vndr_ies); |
| 4028 | for (i = 0; i < new_vndr_ies.count; i++) { |
| 4029 | vndrie_info = &new_vndr_ies.ie_info[i]; |
| 4030 | memcpy(ptr + parsed_ie_buf_len, vndrie_info->ie_ptr, |
| 4031 | vndrie_info->ie_len); |
| 4032 | parsed_ie_buf_len += vndrie_info->ie_len; |
| 4033 | } |
| 4034 | } |
| 4035 | |
| 4036 | if (mgmt_ie_buf != NULL) { |
| 4037 | if (parsed_ie_buf_len && (parsed_ie_buf_len == *mgmt_ie_len) && |
| 4038 | (memcmp(mgmt_ie_buf, curr_ie_buf, |
| 4039 | parsed_ie_buf_len) == 0)) { |
| 4040 | WL_TRACE("Previous mgmt IE is equals to current IE"); |
| 4041 | goto exit; |
| 4042 | } |
| 4043 | |
| 4044 | /* parse old vndr_ie */ |
| 4045 | brcmf_parse_vndr_ies(mgmt_ie_buf, *mgmt_ie_len, &old_vndr_ies); |
| 4046 | |
| 4047 | /* make a command to delete old ie */ |
| 4048 | for (i = 0; i < old_vndr_ies.count; i++) { |
| 4049 | vndrie_info = &old_vndr_ies.ie_info[i]; |
| 4050 | |
| 4051 | WL_TRACE("DEL ID : %d, Len: %d , OUI:%02x:%02x:%02x\n", |
| 4052 | vndrie_info->vndrie.id, |
| 4053 | vndrie_info->vndrie.len, |
| 4054 | vndrie_info->vndrie.oui[0], |
| 4055 | vndrie_info->vndrie.oui[1], |
| 4056 | vndrie_info->vndrie.oui[2]); |
| 4057 | |
| 4058 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, |
| 4059 | vndrie_info->ie_ptr, |
| 4060 | vndrie_info->ie_len, |
| 4061 | "del"); |
| 4062 | curr_ie_buf += del_add_ie_buf_len; |
| 4063 | total_ie_buf_len += del_add_ie_buf_len; |
| 4064 | } |
| 4065 | } |
| 4066 | |
| 4067 | *mgmt_ie_len = 0; |
| 4068 | /* Add if there is any extra IE */ |
| 4069 | if (mgmt_ie_buf && parsed_ie_buf_len) { |
| 4070 | ptr = mgmt_ie_buf; |
| 4071 | |
| 4072 | remained_buf_len = mgmt_ie_buf_len; |
| 4073 | |
| 4074 | /* make a command to add new ie */ |
| 4075 | for (i = 0; i < new_vndr_ies.count; i++) { |
| 4076 | vndrie_info = &new_vndr_ies.ie_info[i]; |
| 4077 | |
| 4078 | WL_TRACE("ADDED ID : %d, Len: %d, OUI:%02x:%02x:%02x\n", |
| 4079 | vndrie_info->vndrie.id, |
| 4080 | vndrie_info->vndrie.len, |
| 4081 | vndrie_info->vndrie.oui[0], |
| 4082 | vndrie_info->vndrie.oui[1], |
| 4083 | vndrie_info->vndrie.oui[2]); |
| 4084 | |
| 4085 | del_add_ie_buf_len = brcmf_vndr_ie(curr_ie_buf, pktflag, |
| 4086 | vndrie_info->ie_ptr, |
| 4087 | vndrie_info->ie_len, |
| 4088 | "add"); |
| 4089 | /* verify remained buf size before copy data */ |
| 4090 | remained_buf_len -= vndrie_info->ie_len; |
| 4091 | if (remained_buf_len < 0) { |
| 4092 | WL_ERR("no space in mgmt_ie_buf: len left %d", |
| 4093 | remained_buf_len); |
| 4094 | break; |
| 4095 | } |
| 4096 | |
| 4097 | /* save the parsed IE in wl struct */ |
| 4098 | memcpy(ptr + (*mgmt_ie_len), vndrie_info->ie_ptr, |
| 4099 | vndrie_info->ie_len); |
| 4100 | *mgmt_ie_len += vndrie_info->ie_len; |
| 4101 | |
| 4102 | curr_ie_buf += del_add_ie_buf_len; |
| 4103 | total_ie_buf_len += del_add_ie_buf_len; |
| 4104 | } |
| 4105 | } |
| 4106 | if (total_ie_buf_len) { |
| 4107 | err = brcmf_dev_iovar_setbuf_bsscfg(ndev, "vndr_ie", |
| 4108 | iovar_ie_buf, |
| 4109 | total_ie_buf_len, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4110 | cfg->extra_buf, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4111 | WL_EXTRA_BUF_MAX, bssidx); |
| 4112 | if (err) |
| 4113 | WL_ERR("vndr ie set error : %d\n", err); |
| 4114 | } |
| 4115 | |
| 4116 | exit: |
| 4117 | kfree(iovar_ie_buf); |
| 4118 | return err; |
| 4119 | } |
| 4120 | |
| 4121 | static s32 |
| 4122 | brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, |
| 4123 | struct cfg80211_ap_settings *settings) |
| 4124 | { |
| 4125 | s32 ie_offset; |
| 4126 | struct brcmf_tlv *ssid_ie; |
| 4127 | struct brcmf_ssid_le ssid_le; |
| 4128 | s32 ioctl_value; |
| 4129 | s32 err = -EPERM; |
| 4130 | struct brcmf_tlv *rsn_ie; |
| 4131 | struct brcmf_vs_tlv *wpa_ie; |
| 4132 | struct brcmf_join_params join_params; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4133 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4134 | s32 bssidx = 0; |
| 4135 | |
| 4136 | WL_TRACE("channel_type=%d, beacon_interval=%d, dtim_period=%d,\n", |
| 4137 | settings->channel_type, settings->beacon_interval, |
| 4138 | settings->dtim_period); |
| 4139 | WL_TRACE("ssid=%s(%d), auth_type=%d, inactivity_timeout=%d\n", |
| 4140 | settings->ssid, settings->ssid_len, settings->auth_type, |
| 4141 | settings->inactivity_timeout); |
| 4142 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4143 | if (!test_bit(WL_STATUS_AP_CREATING, &cfg->status)) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4144 | WL_ERR("Not in AP creation mode\n"); |
| 4145 | return -EPERM; |
| 4146 | } |
| 4147 | |
| 4148 | memset(&ssid_le, 0, sizeof(ssid_le)); |
| 4149 | if (settings->ssid == NULL || settings->ssid_len == 0) { |
| 4150 | ie_offset = DOT11_MGMT_HDR_LEN + DOT11_BCN_PRB_FIXED_LEN; |
| 4151 | ssid_ie = brcmf_parse_tlvs( |
| 4152 | (u8 *)&settings->beacon.head[ie_offset], |
| 4153 | settings->beacon.head_len - ie_offset, |
| 4154 | WLAN_EID_SSID); |
| 4155 | if (!ssid_ie) |
| 4156 | return -EINVAL; |
| 4157 | |
| 4158 | memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); |
| 4159 | ssid_le.SSID_len = cpu_to_le32(ssid_ie->len); |
| 4160 | WL_TRACE("SSID is (%s) in Head\n", ssid_le.SSID); |
| 4161 | } else { |
| 4162 | memcpy(ssid_le.SSID, settings->ssid, settings->ssid_len); |
| 4163 | ssid_le.SSID_len = cpu_to_le32((u32)settings->ssid_len); |
| 4164 | } |
| 4165 | |
| 4166 | brcmf_set_mpc(ndev, 0); |
| 4167 | ioctl_value = 1; |
| 4168 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_DOWN, &ioctl_value); |
| 4169 | if (err < 0) { |
| 4170 | WL_ERR("BRCMF_C_DOWN error %d\n", err); |
| 4171 | goto exit; |
| 4172 | } |
| 4173 | ioctl_value = 1; |
| 4174 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &ioctl_value); |
| 4175 | if (err < 0) { |
| 4176 | WL_ERR("SET INFRA error %d\n", err); |
| 4177 | goto exit; |
| 4178 | } |
| 4179 | ioctl_value = 1; |
| 4180 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AP, &ioctl_value); |
| 4181 | if (err < 0) { |
| 4182 | WL_ERR("setting AP mode failed %d\n", err); |
| 4183 | goto exit; |
| 4184 | } |
| 4185 | |
| 4186 | /* find the RSN_IE */ |
| 4187 | rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, |
| 4188 | settings->beacon.tail_len, WLAN_EID_RSN); |
| 4189 | |
| 4190 | /* find the WPA_IE */ |
| 4191 | wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail, |
| 4192 | settings->beacon.tail_len); |
| 4193 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4194 | kfree(cfg->ap_info->rsn_ie); |
| 4195 | cfg->ap_info->rsn_ie = NULL; |
| 4196 | kfree(cfg->ap_info->wpa_ie); |
| 4197 | cfg->ap_info->wpa_ie = NULL; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4198 | |
| 4199 | if ((wpa_ie != NULL || rsn_ie != NULL)) { |
| 4200 | WL_TRACE("WPA(2) IE is found\n"); |
| 4201 | if (wpa_ie != NULL) { |
| 4202 | /* WPA IE */ |
| 4203 | err = brcmf_configure_wpaie(ndev, wpa_ie, false, |
| 4204 | bssidx); |
| 4205 | if (err < 0) |
| 4206 | goto exit; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4207 | cfg->ap_info->wpa_ie = kmemdup(wpa_ie, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4208 | wpa_ie->len + |
| 4209 | TLV_HDR_LEN, |
| 4210 | GFP_KERNEL); |
| 4211 | } else { |
| 4212 | /* RSN IE */ |
| 4213 | err = brcmf_configure_wpaie(ndev, |
| 4214 | (struct brcmf_vs_tlv *)rsn_ie, true, bssidx); |
| 4215 | if (err < 0) |
| 4216 | goto exit; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4217 | cfg->ap_info->rsn_ie = kmemdup(rsn_ie, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4218 | rsn_ie->len + |
| 4219 | TLV_HDR_LEN, |
| 4220 | GFP_KERNEL); |
| 4221 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4222 | cfg->ap_info->security_mode = true; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4223 | } else { |
| 4224 | WL_TRACE("No WPA(2) IEs found\n"); |
| 4225 | brcmf_configure_opensecurity(ndev, bssidx); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4226 | cfg->ap_info->security_mode = false; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4227 | } |
| 4228 | /* Set Beacon IEs to FW */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4229 | err = brcmf_set_management_ie(cfg, ndev, bssidx, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4230 | VNDR_IE_BEACON_FLAG, |
| 4231 | (u8 *)settings->beacon.tail, |
| 4232 | settings->beacon.tail_len); |
| 4233 | if (err) |
| 4234 | WL_ERR("Set Beacon IE Failed\n"); |
| 4235 | else |
| 4236 | WL_TRACE("Applied Vndr IEs for Beacon\n"); |
| 4237 | |
| 4238 | /* Set Probe Response IEs to FW */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4239 | err = brcmf_set_management_ie(cfg, ndev, bssidx, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4240 | VNDR_IE_PRBRSP_FLAG, |
| 4241 | (u8 *)settings->beacon.proberesp_ies, |
| 4242 | settings->beacon.proberesp_ies_len); |
| 4243 | if (err) |
| 4244 | WL_ERR("Set Probe Resp IE Failed\n"); |
| 4245 | else |
| 4246 | WL_TRACE("Applied Vndr IEs for Probe Resp\n"); |
| 4247 | |
| 4248 | if (settings->beacon_interval) { |
| 4249 | ioctl_value = settings->beacon_interval; |
| 4250 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_BCNPRD, |
| 4251 | &ioctl_value); |
| 4252 | if (err < 0) { |
| 4253 | WL_ERR("Beacon Interval Set Error, %d\n", err); |
| 4254 | goto exit; |
| 4255 | } |
| 4256 | } |
| 4257 | if (settings->dtim_period) { |
| 4258 | ioctl_value = settings->dtim_period; |
| 4259 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_DTIMPRD, |
| 4260 | &ioctl_value); |
| 4261 | if (err < 0) { |
| 4262 | WL_ERR("DTIM Interval Set Error, %d\n", err); |
| 4263 | goto exit; |
| 4264 | } |
| 4265 | } |
| 4266 | ioctl_value = 1; |
| 4267 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_UP, &ioctl_value); |
| 4268 | if (err < 0) { |
| 4269 | WL_ERR("BRCMF_C_UP error (%d)\n", err); |
| 4270 | goto exit; |
| 4271 | } |
| 4272 | |
| 4273 | memset(&join_params, 0, sizeof(join_params)); |
| 4274 | /* join parameters starts with ssid */ |
| 4275 | memcpy(&join_params.ssid_le, &ssid_le, sizeof(ssid_le)); |
| 4276 | /* create softap */ |
| 4277 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, &join_params, |
| 4278 | sizeof(join_params)); |
| 4279 | if (err < 0) { |
| 4280 | WL_ERR("SET SSID error (%d)\n", err); |
| 4281 | goto exit; |
| 4282 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4283 | clear_bit(WL_STATUS_AP_CREATING, &cfg->status); |
| 4284 | set_bit(WL_STATUS_AP_CREATED, &cfg->status); |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4285 | |
| 4286 | exit: |
| 4287 | if (err) |
| 4288 | brcmf_set_mpc(ndev, 1); |
| 4289 | return err; |
| 4290 | } |
| 4291 | |
| 4292 | static int brcmf_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *ndev) |
| 4293 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4294 | struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy); |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4295 | s32 ioctl_value; |
| 4296 | s32 err = -EPERM; |
| 4297 | |
| 4298 | WL_TRACE("Enter\n"); |
| 4299 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4300 | if (cfg->conf->mode == WL_MODE_AP) { |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4301 | /* Due to most likely deauths outstanding we sleep */ |
| 4302 | /* first to make sure they get processed by fw. */ |
| 4303 | msleep(400); |
| 4304 | ioctl_value = 0; |
| 4305 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AP, &ioctl_value); |
| 4306 | if (err < 0) { |
| 4307 | WL_ERR("setting AP mode failed %d\n", err); |
| 4308 | goto exit; |
| 4309 | } |
| 4310 | ioctl_value = 0; |
| 4311 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_UP, &ioctl_value); |
| 4312 | if (err < 0) { |
| 4313 | WL_ERR("BRCMF_C_UP error %d\n", err); |
| 4314 | goto exit; |
| 4315 | } |
| 4316 | brcmf_set_mpc(ndev, 1); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4317 | clear_bit(WL_STATUS_AP_CREATING, &cfg->status); |
| 4318 | clear_bit(WL_STATUS_AP_CREATED, &cfg->status); |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4319 | } |
| 4320 | exit: |
| 4321 | return err; |
| 4322 | } |
| 4323 | |
| 4324 | static int |
| 4325 | brcmf_cfg80211_del_station(struct wiphy *wiphy, struct net_device *ndev, |
| 4326 | u8 *mac) |
| 4327 | { |
| 4328 | struct brcmf_scb_val_le scbval; |
| 4329 | s32 err; |
| 4330 | |
| 4331 | if (!mac) |
| 4332 | return -EFAULT; |
| 4333 | |
| 4334 | WL_TRACE("Enter %pM\n", mac); |
| 4335 | |
| 4336 | if (!check_sys_up(wiphy)) |
| 4337 | return -EIO; |
| 4338 | |
| 4339 | memcpy(&scbval.ea, mac, ETH_ALEN); |
| 4340 | scbval.val = cpu_to_le32(WLAN_REASON_DEAUTH_LEAVING); |
| 4341 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCB_DEAUTHENTICATE_FOR_REASON, |
| 4342 | &scbval, sizeof(scbval)); |
| 4343 | if (err) |
| 4344 | WL_ERR("SCB_DEAUTHENTICATE_FOR_REASON failed %d\n", err); |
| 4345 | |
| 4346 | WL_TRACE("Exit\n"); |
| 4347 | return err; |
| 4348 | } |
| 4349 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4350 | static struct cfg80211_ops wl_cfg80211_ops = { |
| 4351 | .change_virtual_intf = brcmf_cfg80211_change_iface, |
| 4352 | .scan = brcmf_cfg80211_scan, |
| 4353 | .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, |
| 4354 | .join_ibss = brcmf_cfg80211_join_ibss, |
| 4355 | .leave_ibss = brcmf_cfg80211_leave_ibss, |
| 4356 | .get_station = brcmf_cfg80211_get_station, |
| 4357 | .set_tx_power = brcmf_cfg80211_set_tx_power, |
| 4358 | .get_tx_power = brcmf_cfg80211_get_tx_power, |
| 4359 | .add_key = brcmf_cfg80211_add_key, |
| 4360 | .del_key = brcmf_cfg80211_del_key, |
| 4361 | .get_key = brcmf_cfg80211_get_key, |
| 4362 | .set_default_key = brcmf_cfg80211_config_default_key, |
| 4363 | .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, |
| 4364 | .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, |
| 4365 | .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask, |
| 4366 | .connect = brcmf_cfg80211_connect, |
| 4367 | .disconnect = brcmf_cfg80211_disconnect, |
| 4368 | .suspend = brcmf_cfg80211_suspend, |
| 4369 | .resume = brcmf_cfg80211_resume, |
| 4370 | .set_pmksa = brcmf_cfg80211_set_pmksa, |
| 4371 | .del_pmksa = brcmf_cfg80211_del_pmksa, |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 4372 | .flush_pmksa = brcmf_cfg80211_flush_pmksa, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4373 | .start_ap = brcmf_cfg80211_start_ap, |
| 4374 | .stop_ap = brcmf_cfg80211_stop_ap, |
| 4375 | .del_station = brcmf_cfg80211_del_station, |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 4376 | #ifndef CONFIG_BRCMISCAN |
| 4377 | /* scheduled scan need e-scan, which is mutual exclusive with i-scan */ |
| 4378 | .sched_scan_start = brcmf_cfg80211_sched_scan_start, |
| 4379 | .sched_scan_stop = brcmf_cfg80211_sched_scan_stop, |
| 4380 | #endif |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 4381 | #ifdef CONFIG_NL80211_TESTMODE |
| 4382 | .testmode_cmd = brcmf_cfg80211_testmode |
| 4383 | #endif |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4384 | }; |
| 4385 | |
| 4386 | static s32 brcmf_mode_to_nl80211_iftype(s32 mode) |
| 4387 | { |
| 4388 | s32 err = 0; |
| 4389 | |
| 4390 | switch (mode) { |
| 4391 | case WL_MODE_BSS: |
| 4392 | return NL80211_IFTYPE_STATION; |
| 4393 | case WL_MODE_IBSS: |
| 4394 | return NL80211_IFTYPE_ADHOC; |
| 4395 | default: |
| 4396 | return NL80211_IFTYPE_UNSPECIFIED; |
| 4397 | } |
| 4398 | |
| 4399 | return err; |
| 4400 | } |
| 4401 | |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 4402 | static void brcmf_wiphy_pno_params(struct wiphy *wiphy) |
| 4403 | { |
| 4404 | #ifndef CONFIG_BRCMFISCAN |
| 4405 | /* scheduled scan settings */ |
| 4406 | wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; |
| 4407 | wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; |
| 4408 | wiphy->max_sched_scan_ie_len = BRCMF_SCAN_IE_LEN_MAX; |
| 4409 | wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; |
| 4410 | #endif |
| 4411 | } |
| 4412 | |
Arend van Spriel | 5db6e95 | 2012-09-27 14:17:53 +0200 | [diff] [blame] | 4413 | static struct wireless_dev *brcmf_alloc_wdev(struct device *ndev) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4414 | { |
| 4415 | struct wireless_dev *wdev; |
| 4416 | s32 err = 0; |
| 4417 | |
| 4418 | wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); |
| 4419 | if (!wdev) |
| 4420 | return ERR_PTR(-ENOMEM); |
| 4421 | |
Arend van Spriel | 5db6e95 | 2012-09-27 14:17:53 +0200 | [diff] [blame] | 4422 | wdev->wiphy = wiphy_new(&wl_cfg80211_ops, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4423 | sizeof(struct brcmf_cfg80211_info)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4424 | if (!wdev->wiphy) { |
Joe Perches | bfeb4db | 2012-01-15 00:38:45 -0800 | [diff] [blame] | 4425 | WL_ERR("Could not allocate wiphy device\n"); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4426 | err = -ENOMEM; |
| 4427 | goto wiphy_new_out; |
| 4428 | } |
| 4429 | set_wiphy_dev(wdev->wiphy, ndev); |
| 4430 | wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; |
| 4431 | wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4432 | wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 4433 | BIT(NL80211_IFTYPE_ADHOC) | |
| 4434 | BIT(NL80211_IFTYPE_AP); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4435 | wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; |
| 4436 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set |
| 4437 | * it as 11a by default. |
| 4438 | * This will be updated with |
| 4439 | * 11n phy tables in |
| 4440 | * "ifconfig up" |
| 4441 | * if phy has 11n capability |
| 4442 | */ |
| 4443 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| 4444 | wdev->wiphy->cipher_suites = __wl_cipher_suites; |
| 4445 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); |
| 4446 | wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power |
| 4447 | * save mode |
| 4448 | * by default |
| 4449 | */ |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 4450 | brcmf_wiphy_pno_params(wdev->wiphy); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4451 | err = wiphy_register(wdev->wiphy); |
| 4452 | if (err < 0) { |
Joe Perches | bfeb4db | 2012-01-15 00:38:45 -0800 | [diff] [blame] | 4453 | WL_ERR("Could not register wiphy device (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4454 | goto wiphy_register_out; |
| 4455 | } |
| 4456 | return wdev; |
| 4457 | |
| 4458 | wiphy_register_out: |
| 4459 | wiphy_free(wdev->wiphy); |
| 4460 | |
| 4461 | wiphy_new_out: |
| 4462 | kfree(wdev); |
| 4463 | |
| 4464 | return ERR_PTR(err); |
| 4465 | } |
| 4466 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4467 | static void brcmf_free_wdev(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4468 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4469 | struct wireless_dev *wdev = cfg->wdev; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4470 | |
| 4471 | if (!wdev) { |
| 4472 | WL_ERR("wdev is invalid\n"); |
| 4473 | return; |
| 4474 | } |
| 4475 | wiphy_unregister(wdev->wiphy); |
| 4476 | wiphy_free(wdev->wiphy); |
| 4477 | kfree(wdev); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4478 | cfg->wdev = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4479 | } |
| 4480 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4481 | static bool brcmf_is_linkup(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4482 | const struct brcmf_event_msg *e) |
| 4483 | { |
| 4484 | u32 event = be32_to_cpu(e->event_type); |
| 4485 | u32 status = be32_to_cpu(e->status); |
| 4486 | |
| 4487 | if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { |
| 4488 | WL_CONN("Processing set ssid\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4489 | cfg->link_up = true; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4490 | return true; |
| 4491 | } |
| 4492 | |
| 4493 | return false; |
| 4494 | } |
| 4495 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4496 | static bool brcmf_is_linkdown(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4497 | const struct brcmf_event_msg *e) |
| 4498 | { |
| 4499 | u32 event = be32_to_cpu(e->event_type); |
| 4500 | u16 flags = be16_to_cpu(e->flags); |
| 4501 | |
| 4502 | if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) { |
| 4503 | WL_CONN("Processing link down\n"); |
| 4504 | return true; |
| 4505 | } |
| 4506 | return false; |
| 4507 | } |
| 4508 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4509 | static bool brcmf_is_nonetwork(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4510 | const struct brcmf_event_msg *e) |
| 4511 | { |
| 4512 | u32 event = be32_to_cpu(e->event_type); |
| 4513 | u32 status = be32_to_cpu(e->status); |
| 4514 | |
| 4515 | if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { |
| 4516 | WL_CONN("Processing Link %s & no network found\n", |
| 4517 | be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ? |
| 4518 | "up" : "down"); |
| 4519 | return true; |
| 4520 | } |
| 4521 | |
| 4522 | if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { |
| 4523 | WL_CONN("Processing connecting & no network found\n"); |
| 4524 | return true; |
| 4525 | } |
| 4526 | |
| 4527 | return false; |
| 4528 | } |
| 4529 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4530 | static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4531 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4532 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4533 | |
| 4534 | kfree(conn_info->req_ie); |
| 4535 | conn_info->req_ie = NULL; |
| 4536 | conn_info->req_ie_len = 0; |
| 4537 | kfree(conn_info->resp_ie); |
| 4538 | conn_info->resp_ie = NULL; |
| 4539 | conn_info->resp_ie_len = 0; |
| 4540 | } |
| 4541 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4542 | static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4543 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4544 | struct net_device *ndev = cfg_to_ndev(cfg); |
Arend van Spriel | c4e382d | 2011-10-12 20:51:21 +0200 | [diff] [blame] | 4545 | struct brcmf_cfg80211_assoc_ielen_le *assoc_info; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4546 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4547 | u32 req_len; |
| 4548 | u32 resp_len; |
| 4549 | s32 err = 0; |
| 4550 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4551 | brcmf_clear_assoc_ies(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4552 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4553 | err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg->extra_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4554 | WL_ASSOC_INFO_MAX); |
| 4555 | if (err) { |
| 4556 | WL_ERR("could not get assoc info (%d)\n", err); |
| 4557 | return err; |
| 4558 | } |
Arend van Spriel | c4e382d | 2011-10-12 20:51:21 +0200 | [diff] [blame] | 4559 | assoc_info = |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4560 | (struct brcmf_cfg80211_assoc_ielen_le *)cfg->extra_buf; |
Arend van Spriel | c4e382d | 2011-10-12 20:51:21 +0200 | [diff] [blame] | 4561 | req_len = le32_to_cpu(assoc_info->req_len); |
| 4562 | resp_len = le32_to_cpu(assoc_info->resp_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4563 | if (req_len) { |
| 4564 | err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4565 | cfg->extra_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4566 | WL_ASSOC_INFO_MAX); |
| 4567 | if (err) { |
| 4568 | WL_ERR("could not get assoc req (%d)\n", err); |
| 4569 | return err; |
| 4570 | } |
| 4571 | conn_info->req_ie_len = req_len; |
| 4572 | conn_info->req_ie = |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4573 | kmemdup(cfg->extra_buf, conn_info->req_ie_len, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4574 | GFP_KERNEL); |
| 4575 | } else { |
| 4576 | conn_info->req_ie_len = 0; |
| 4577 | conn_info->req_ie = NULL; |
| 4578 | } |
| 4579 | if (resp_len) { |
| 4580 | err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies", |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4581 | cfg->extra_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4582 | WL_ASSOC_INFO_MAX); |
| 4583 | if (err) { |
| 4584 | WL_ERR("could not get assoc resp (%d)\n", err); |
| 4585 | return err; |
| 4586 | } |
| 4587 | conn_info->resp_ie_len = resp_len; |
| 4588 | conn_info->resp_ie = |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4589 | kmemdup(cfg->extra_buf, conn_info->resp_ie_len, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4590 | GFP_KERNEL); |
| 4591 | } else { |
| 4592 | conn_info->resp_ie_len = 0; |
| 4593 | conn_info->resp_ie = NULL; |
| 4594 | } |
| 4595 | WL_CONN("req len (%d) resp len (%d)\n", |
| 4596 | conn_info->req_ie_len, conn_info->resp_ie_len); |
| 4597 | |
| 4598 | return err; |
| 4599 | } |
| 4600 | |
| 4601 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4602 | brcmf_bss_roaming_done(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4603 | struct net_device *ndev, |
| 4604 | const struct brcmf_event_msg *e) |
| 4605 | { |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 4606 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4607 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
| 4608 | struct wiphy *wiphy = cfg_to_wiphy(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4609 | struct brcmf_channel_info_le channel_le; |
| 4610 | struct ieee80211_channel *notify_channel; |
| 4611 | struct ieee80211_supported_band *band; |
| 4612 | u32 freq; |
| 4613 | s32 err = 0; |
| 4614 | u32 target_channel; |
| 4615 | |
| 4616 | WL_TRACE("Enter\n"); |
| 4617 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4618 | brcmf_get_assoc_ies(cfg); |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 4619 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4620 | brcmf_update_bss_info(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4621 | |
| 4622 | brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le, |
| 4623 | sizeof(channel_le)); |
| 4624 | |
| 4625 | target_channel = le32_to_cpu(channel_le.target_channel); |
| 4626 | WL_CONN("Roamed to channel %d\n", target_channel); |
| 4627 | |
| 4628 | if (target_channel <= CH_MAX_2G_CHANNEL) |
| 4629 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 4630 | else |
| 4631 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 4632 | |
| 4633 | freq = ieee80211_channel_to_frequency(target_channel, band->band); |
| 4634 | notify_channel = ieee80211_get_channel(wiphy, freq); |
| 4635 | |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 4636 | cfg80211_roamed(ndev, notify_channel, (u8 *)profile->bssid, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4637 | conn_info->req_ie, conn_info->req_ie_len, |
| 4638 | conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); |
| 4639 | WL_CONN("Report roaming result\n"); |
| 4640 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4641 | set_bit(WL_STATUS_CONNECTED, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4642 | WL_TRACE("Exit\n"); |
| 4643 | return err; |
| 4644 | } |
| 4645 | |
| 4646 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4647 | brcmf_bss_connect_done(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4648 | struct net_device *ndev, const struct brcmf_event_msg *e, |
| 4649 | bool completed) |
| 4650 | { |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 4651 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4652 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4653 | s32 err = 0; |
| 4654 | |
| 4655 | WL_TRACE("Enter\n"); |
| 4656 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4657 | if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4658 | if (completed) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4659 | brcmf_get_assoc_ies(cfg); |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 4660 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4661 | brcmf_update_bss_info(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4662 | } |
| 4663 | cfg80211_connect_result(ndev, |
Arend van Spriel | 06bb123 | 2012-09-27 14:17:56 +0200 | [diff] [blame] | 4664 | (u8 *)profile->bssid, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4665 | conn_info->req_ie, |
| 4666 | conn_info->req_ie_len, |
| 4667 | conn_info->resp_ie, |
| 4668 | conn_info->resp_ie_len, |
| 4669 | completed ? WLAN_STATUS_SUCCESS : |
| 4670 | WLAN_STATUS_AUTH_TIMEOUT, |
| 4671 | GFP_KERNEL); |
| 4672 | if (completed) |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4673 | set_bit(WL_STATUS_CONNECTED, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4674 | WL_CONN("Report connect result - connection %s\n", |
| 4675 | completed ? "succeeded" : "failed"); |
| 4676 | } |
| 4677 | WL_TRACE("Exit\n"); |
| 4678 | return err; |
| 4679 | } |
| 4680 | |
| 4681 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4682 | brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg, |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4683 | struct net_device *ndev, |
| 4684 | const struct brcmf_event_msg *e, void *data) |
| 4685 | { |
| 4686 | s32 err = 0; |
| 4687 | u32 event = be32_to_cpu(e->event_type); |
| 4688 | u32 reason = be32_to_cpu(e->reason); |
| 4689 | u32 len = be32_to_cpu(e->datalen); |
| 4690 | static int generation; |
| 4691 | |
| 4692 | struct station_info sinfo; |
| 4693 | |
| 4694 | WL_CONN("event %d, reason %d\n", event, reason); |
| 4695 | memset(&sinfo, 0, sizeof(sinfo)); |
| 4696 | |
| 4697 | sinfo.filled = 0; |
| 4698 | if (((event == BRCMF_E_ASSOC_IND) || (event == BRCMF_E_REASSOC_IND)) && |
| 4699 | reason == BRCMF_E_STATUS_SUCCESS) { |
| 4700 | sinfo.filled = STATION_INFO_ASSOC_REQ_IES; |
| 4701 | if (!data) { |
| 4702 | WL_ERR("No IEs present in ASSOC/REASSOC_IND"); |
| 4703 | return -EINVAL; |
| 4704 | } |
| 4705 | sinfo.assoc_req_ies = data; |
| 4706 | sinfo.assoc_req_ies_len = len; |
| 4707 | generation++; |
| 4708 | sinfo.generation = generation; |
| 4709 | cfg80211_new_sta(ndev, e->addr, &sinfo, GFP_ATOMIC); |
| 4710 | } else if ((event == BRCMF_E_DISASSOC_IND) || |
| 4711 | (event == BRCMF_E_DEAUTH_IND) || |
| 4712 | (event == BRCMF_E_DEAUTH)) { |
| 4713 | generation++; |
| 4714 | sinfo.generation = generation; |
| 4715 | cfg80211_del_sta(ndev, e->addr, GFP_ATOMIC); |
| 4716 | } |
| 4717 | return err; |
| 4718 | } |
| 4719 | |
| 4720 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4721 | brcmf_notify_connect_status(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4722 | struct net_device *ndev, |
| 4723 | const struct brcmf_event_msg *e, void *data) |
| 4724 | { |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 4725 | struct brcmf_cfg80211_profile *profile = cfg->profile; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4726 | s32 err = 0; |
| 4727 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4728 | if (cfg->conf->mode == WL_MODE_AP) { |
| 4729 | err = brcmf_notify_connect_status_ap(cfg, ndev, e, data); |
| 4730 | } else if (brcmf_is_linkup(cfg, e)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4731 | WL_CONN("Linkup\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4732 | if (brcmf_is_ibssmode(cfg)) { |
Arend van Spriel | 6c8c4f7 | 2012-09-27 14:17:57 +0200 | [diff] [blame] | 4733 | memcpy(profile->bssid, e->addr, ETH_ALEN); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4734 | wl_inform_ibss(cfg, ndev, e->addr); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4735 | cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4736 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
| 4737 | set_bit(WL_STATUS_CONNECTED, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4738 | } else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4739 | brcmf_bss_connect_done(cfg, ndev, e, true); |
| 4740 | } else if (brcmf_is_linkdown(cfg, e)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4741 | WL_CONN("Linkdown\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4742 | if (brcmf_is_ibssmode(cfg)) { |
| 4743 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4744 | if (test_and_clear_bit(WL_STATUS_CONNECTED, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4745 | &cfg->status)) |
| 4746 | brcmf_link_down(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4747 | } else { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4748 | brcmf_bss_connect_done(cfg, ndev, e, false); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4749 | if (test_and_clear_bit(WL_STATUS_CONNECTED, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4750 | &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4751 | cfg80211_disconnected(ndev, 0, NULL, 0, |
| 4752 | GFP_KERNEL); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4753 | brcmf_link_down(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4754 | } |
| 4755 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4756 | brcmf_init_prof(cfg->profile); |
| 4757 | } else if (brcmf_is_nonetwork(cfg, e)) { |
| 4758 | if (brcmf_is_ibssmode(cfg)) |
| 4759 | clear_bit(WL_STATUS_CONNECTING, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4760 | else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4761 | brcmf_bss_connect_done(cfg, ndev, e, false); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4762 | } |
| 4763 | |
| 4764 | return err; |
| 4765 | } |
| 4766 | |
| 4767 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4768 | brcmf_notify_roaming_status(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4769 | struct net_device *ndev, |
| 4770 | const struct brcmf_event_msg *e, void *data) |
| 4771 | { |
| 4772 | s32 err = 0; |
| 4773 | u32 event = be32_to_cpu(e->event_type); |
| 4774 | u32 status = be32_to_cpu(e->status); |
| 4775 | |
| 4776 | if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4777 | if (test_bit(WL_STATUS_CONNECTED, &cfg->status)) |
| 4778 | brcmf_bss_roaming_done(cfg, ndev, e); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4779 | else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4780 | brcmf_bss_connect_done(cfg, ndev, e, true); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4781 | } |
| 4782 | |
| 4783 | return err; |
| 4784 | } |
| 4785 | |
| 4786 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4787 | brcmf_notify_mic_status(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4788 | struct net_device *ndev, |
| 4789 | const struct brcmf_event_msg *e, void *data) |
| 4790 | { |
| 4791 | u16 flags = be16_to_cpu(e->flags); |
| 4792 | enum nl80211_key_type key_type; |
| 4793 | |
| 4794 | if (flags & BRCMF_EVENT_MSG_GROUP) |
| 4795 | key_type = NL80211_KEYTYPE_GROUP; |
| 4796 | else |
| 4797 | key_type = NL80211_KEYTYPE_PAIRWISE; |
| 4798 | |
| 4799 | cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, |
| 4800 | NULL, GFP_KERNEL); |
| 4801 | |
| 4802 | return 0; |
| 4803 | } |
| 4804 | |
| 4805 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4806 | brcmf_notify_scan_status(struct brcmf_cfg80211_info *cfg, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4807 | struct net_device *ndev, |
| 4808 | const struct brcmf_event_msg *e, void *data) |
| 4809 | { |
| 4810 | struct brcmf_channel_info_le channel_inform_le; |
| 4811 | struct brcmf_scan_results_le *bss_list_le; |
| 4812 | u32 len = WL_SCAN_BUF_MAX; |
| 4813 | s32 err = 0; |
| 4814 | bool scan_abort = false; |
| 4815 | u32 scan_channel; |
| 4816 | |
| 4817 | WL_TRACE("Enter\n"); |
| 4818 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4819 | if (cfg->iscan_on && cfg->iscan_kickstart) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4820 | WL_TRACE("Exit\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4821 | return brcmf_wakeup_iscan(cfg_to_iscan(cfg)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4822 | } |
| 4823 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4824 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4825 | WL_ERR("Scan complete while device not scanning\n"); |
| 4826 | scan_abort = true; |
| 4827 | err = -EINVAL; |
| 4828 | goto scan_done_out; |
| 4829 | } |
| 4830 | |
| 4831 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le, |
| 4832 | sizeof(channel_inform_le)); |
| 4833 | if (err) { |
| 4834 | WL_ERR("scan busy (%d)\n", err); |
| 4835 | scan_abort = true; |
| 4836 | goto scan_done_out; |
| 4837 | } |
| 4838 | scan_channel = le32_to_cpu(channel_inform_le.scan_channel); |
| 4839 | if (scan_channel) |
| 4840 | WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4841 | cfg->bss_list = cfg->scan_results; |
| 4842 | bss_list_le = (struct brcmf_scan_results_le *) cfg->bss_list; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4843 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4844 | memset(cfg->scan_results, 0, len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4845 | bss_list_le->buflen = cpu_to_le32(len); |
| 4846 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS, |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4847 | cfg->scan_results, len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4848 | if (err) { |
| 4849 | WL_ERR("%s Scan_results error (%d)\n", ndev->name, err); |
| 4850 | err = -EINVAL; |
| 4851 | scan_abort = true; |
| 4852 | goto scan_done_out; |
| 4853 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4854 | cfg->scan_results->buflen = le32_to_cpu(bss_list_le->buflen); |
| 4855 | cfg->scan_results->version = le32_to_cpu(bss_list_le->version); |
| 4856 | cfg->scan_results->count = le32_to_cpu(bss_list_le->count); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4857 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4858 | err = brcmf_inform_bss(cfg); |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 4859 | if (err) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4860 | scan_abort = true; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4861 | |
| 4862 | scan_done_out: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4863 | if (cfg->scan_request) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4864 | WL_SCAN("calling cfg80211_scan_done\n"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4865 | cfg80211_scan_done(cfg->scan_request, scan_abort); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4866 | brcmf_set_mpc(ndev, 1); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4867 | cfg->scan_request = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4868 | } |
| 4869 | |
| 4870 | WL_TRACE("Exit\n"); |
| 4871 | |
| 4872 | return err; |
| 4873 | } |
| 4874 | |
| 4875 | static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) |
| 4876 | { |
| 4877 | conf->mode = (u32)-1; |
| 4878 | conf->frag_threshold = (u32)-1; |
| 4879 | conf->rts_threshold = (u32)-1; |
| 4880 | conf->retry_short = (u32)-1; |
| 4881 | conf->retry_long = (u32)-1; |
| 4882 | conf->tx_power = -1; |
| 4883 | } |
| 4884 | |
| 4885 | static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el) |
| 4886 | { |
| 4887 | memset(el, 0, sizeof(*el)); |
| 4888 | el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status; |
| 4889 | el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4890 | el->handler[BRCMF_E_DEAUTH_IND] = brcmf_notify_connect_status; |
| 4891 | el->handler[BRCMF_E_DEAUTH] = brcmf_notify_connect_status; |
| 4892 | el->handler[BRCMF_E_DISASSOC_IND] = brcmf_notify_connect_status; |
| 4893 | el->handler[BRCMF_E_ASSOC_IND] = brcmf_notify_connect_status; |
| 4894 | el->handler[BRCMF_E_REASSOC_IND] = brcmf_notify_connect_status; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4895 | el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status; |
| 4896 | el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status; |
| 4897 | el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status; |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 4898 | el->handler[BRCMF_E_PFN_NET_FOUND] = brcmf_notify_sched_scan_results; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4899 | } |
| 4900 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4901 | static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4902 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4903 | kfree(cfg->scan_results); |
| 4904 | cfg->scan_results = NULL; |
| 4905 | kfree(cfg->bss_info); |
| 4906 | cfg->bss_info = NULL; |
| 4907 | kfree(cfg->conf); |
| 4908 | cfg->conf = NULL; |
| 4909 | kfree(cfg->profile); |
| 4910 | cfg->profile = NULL; |
| 4911 | kfree(cfg->scan_req_int); |
| 4912 | cfg->scan_req_int = NULL; |
| 4913 | kfree(cfg->escan_ioctl_buf); |
| 4914 | cfg->escan_ioctl_buf = NULL; |
| 4915 | kfree(cfg->dcmd_buf); |
| 4916 | cfg->dcmd_buf = NULL; |
| 4917 | kfree(cfg->extra_buf); |
| 4918 | cfg->extra_buf = NULL; |
| 4919 | kfree(cfg->iscan); |
| 4920 | cfg->iscan = NULL; |
| 4921 | kfree(cfg->pmk_list); |
| 4922 | cfg->pmk_list = NULL; |
| 4923 | if (cfg->ap_info) { |
| 4924 | kfree(cfg->ap_info->wpa_ie); |
| 4925 | kfree(cfg->ap_info->rsn_ie); |
| 4926 | kfree(cfg->ap_info); |
| 4927 | cfg->ap_info = NULL; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 4928 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4929 | } |
| 4930 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4931 | static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4932 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4933 | cfg->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); |
| 4934 | if (!cfg->scan_results) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4935 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4936 | cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); |
| 4937 | if (!cfg->conf) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4938 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4939 | cfg->profile = kzalloc(sizeof(*cfg->profile), GFP_KERNEL); |
| 4940 | if (!cfg->profile) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4941 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4942 | cfg->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| 4943 | if (!cfg->bss_info) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4944 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4945 | cfg->scan_req_int = kzalloc(sizeof(*cfg->scan_req_int), |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4946 | GFP_KERNEL); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4947 | if (!cfg->scan_req_int) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4948 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4949 | cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
| 4950 | if (!cfg->escan_ioctl_buf) |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 4951 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4952 | cfg->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL); |
| 4953 | if (!cfg->dcmd_buf) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4954 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4955 | cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
| 4956 | if (!cfg->extra_buf) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4957 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4958 | cfg->iscan = kzalloc(sizeof(*cfg->iscan), GFP_KERNEL); |
| 4959 | if (!cfg->iscan) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4960 | goto init_priv_mem_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4961 | cfg->pmk_list = kzalloc(sizeof(*cfg->pmk_list), GFP_KERNEL); |
| 4962 | if (!cfg->pmk_list) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4963 | goto init_priv_mem_out; |
| 4964 | |
| 4965 | return 0; |
| 4966 | |
| 4967 | init_priv_mem_out: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4968 | brcmf_deinit_priv_mem(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4969 | |
| 4970 | return -ENOMEM; |
| 4971 | } |
| 4972 | |
| 4973 | /* |
| 4974 | * retrieve first queued event from head |
| 4975 | */ |
| 4976 | |
| 4977 | static struct brcmf_cfg80211_event_q *brcmf_deq_event( |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4978 | struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4979 | { |
| 4980 | struct brcmf_cfg80211_event_q *e = NULL; |
| 4981 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4982 | spin_lock_irq(&cfg->evt_q_lock); |
| 4983 | if (!list_empty(&cfg->evt_q_list)) { |
| 4984 | e = list_first_entry(&cfg->evt_q_list, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4985 | struct brcmf_cfg80211_event_q, evt_q_list); |
| 4986 | list_del(&e->evt_q_list); |
| 4987 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 4988 | spin_unlock_irq(&cfg->evt_q_lock); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4989 | |
| 4990 | return e; |
| 4991 | } |
| 4992 | |
| 4993 | /* |
Arend van Spriel | bcbec9e | 2012-02-09 21:09:06 +0100 | [diff] [blame] | 4994 | * push event to tail of the queue |
| 4995 | * |
| 4996 | * remark: this function may not sleep as it is called in atomic context. |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4997 | */ |
| 4998 | |
| 4999 | static s32 |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5000 | brcmf_enq_event(struct brcmf_cfg80211_info *cfg, u32 event, |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 5001 | const struct brcmf_event_msg *msg, void *data) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5002 | { |
| 5003 | struct brcmf_cfg80211_event_q *e; |
| 5004 | s32 err = 0; |
Arend van Spriel | cf44066 | 2012-02-09 21:09:07 +0100 | [diff] [blame] | 5005 | ulong flags; |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 5006 | u32 data_len; |
| 5007 | u32 total_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5008 | |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 5009 | total_len = sizeof(struct brcmf_cfg80211_event_q); |
| 5010 | if (data) |
| 5011 | data_len = be32_to_cpu(msg->datalen); |
| 5012 | else |
| 5013 | data_len = 0; |
| 5014 | total_len += data_len; |
| 5015 | e = kzalloc(total_len, GFP_ATOMIC); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5016 | if (!e) |
| 5017 | return -ENOMEM; |
| 5018 | |
| 5019 | e->etype = event; |
| 5020 | memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg)); |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 5021 | if (data) |
| 5022 | memcpy(&e->edata, data, data_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5023 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5024 | spin_lock_irqsave(&cfg->evt_q_lock, flags); |
| 5025 | list_add_tail(&e->evt_q_list, &cfg->evt_q_list); |
| 5026 | spin_unlock_irqrestore(&cfg->evt_q_lock, flags); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5027 | |
| 5028 | return err; |
| 5029 | } |
| 5030 | |
| 5031 | static void brcmf_put_event(struct brcmf_cfg80211_event_q *e) |
| 5032 | { |
| 5033 | kfree(e); |
| 5034 | } |
| 5035 | |
| 5036 | static void brcmf_cfg80211_event_handler(struct work_struct *work) |
| 5037 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5038 | struct brcmf_cfg80211_info *cfg = |
| 5039 | container_of(work, struct brcmf_cfg80211_info, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5040 | event_work); |
| 5041 | struct brcmf_cfg80211_event_q *e; |
| 5042 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5043 | e = brcmf_deq_event(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5044 | if (unlikely(!e)) { |
| 5045 | WL_ERR("event queue empty...\n"); |
| 5046 | return; |
| 5047 | } |
| 5048 | |
| 5049 | do { |
| 5050 | WL_INFO("event type (%d)\n", e->etype); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5051 | if (cfg->el.handler[e->etype]) |
| 5052 | cfg->el.handler[e->etype](cfg, |
| 5053 | cfg_to_ndev(cfg), |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5054 | &e->emsg, e->edata); |
| 5055 | else |
| 5056 | WL_INFO("Unknown Event (%d): ignoring\n", e->etype); |
| 5057 | brcmf_put_event(e); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5058 | } while ((e = brcmf_deq_event(cfg))); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5059 | |
| 5060 | } |
| 5061 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5062 | static void brcmf_init_eq(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5063 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5064 | spin_lock_init(&cfg->evt_q_lock); |
| 5065 | INIT_LIST_HEAD(&cfg->evt_q_list); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5066 | } |
| 5067 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5068 | static void brcmf_flush_eq(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5069 | { |
| 5070 | struct brcmf_cfg80211_event_q *e; |
| 5071 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5072 | spin_lock_irq(&cfg->evt_q_lock); |
| 5073 | while (!list_empty(&cfg->evt_q_list)) { |
| 5074 | e = list_first_entry(&cfg->evt_q_list, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5075 | struct brcmf_cfg80211_event_q, evt_q_list); |
| 5076 | list_del(&e->evt_q_list); |
| 5077 | kfree(e); |
| 5078 | } |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5079 | spin_unlock_irq(&cfg->evt_q_lock); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5080 | } |
| 5081 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5082 | static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5083 | { |
| 5084 | s32 err = 0; |
| 5085 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5086 | cfg->scan_request = NULL; |
| 5087 | cfg->pwr_save = true; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 5088 | #ifdef CONFIG_BRCMISCAN |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5089 | cfg->iscan_on = true; /* iscan on & off switch. |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5090 | we enable iscan per default */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5091 | cfg->escan_on = false; /* escan on & off switch. |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 5092 | we disable escan per default */ |
| 5093 | #else |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5094 | cfg->iscan_on = false; /* iscan on & off switch. |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 5095 | we disable iscan per default */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5096 | cfg->escan_on = true; /* escan on & off switch. |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 5097 | we enable escan per default */ |
| 5098 | #endif |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5099 | cfg->roam_on = true; /* roam on & off switch. |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5100 | we enable roam per default */ |
| 5101 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5102 | cfg->iscan_kickstart = false; |
| 5103 | cfg->active_scan = true; /* we do active scan for |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5104 | specific scan per default */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5105 | cfg->dongle_up = false; /* dongle is not up yet */ |
| 5106 | brcmf_init_eq(cfg); |
| 5107 | err = brcmf_init_priv_mem(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5108 | if (err) |
| 5109 | return err; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5110 | INIT_WORK(&cfg->event_work, brcmf_cfg80211_event_handler); |
| 5111 | brcmf_init_eloop_handler(&cfg->el); |
| 5112 | mutex_init(&cfg->usr_sync); |
| 5113 | err = brcmf_init_iscan(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5114 | if (err) |
| 5115 | return err; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5116 | brcmf_init_escan(cfg); |
| 5117 | brcmf_init_conf(cfg->conf); |
| 5118 | brcmf_init_prof(cfg->profile); |
| 5119 | brcmf_link_down(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5120 | |
| 5121 | return err; |
| 5122 | } |
| 5123 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5124 | static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5125 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5126 | cancel_work_sync(&cfg->event_work); |
| 5127 | cfg->dongle_up = false; /* dongle down */ |
| 5128 | brcmf_flush_eq(cfg); |
| 5129 | brcmf_link_down(cfg); |
| 5130 | brcmf_abort_scanning(cfg); |
| 5131 | brcmf_deinit_priv_mem(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5132 | } |
| 5133 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5134 | struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct net_device *ndev, |
Arend van Spriel | b451ec9 | 2012-09-27 14:17:52 +0200 | [diff] [blame] | 5135 | struct device *busdev, |
| 5136 | struct brcmf_pub *drvr) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5137 | { |
| 5138 | struct wireless_dev *wdev; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5139 | struct brcmf_cfg80211_info *cfg; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5140 | s32 err = 0; |
| 5141 | |
| 5142 | if (!ndev) { |
| 5143 | WL_ERR("ndev is invalid\n"); |
| 5144 | return NULL; |
| 5145 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5146 | |
Arend van Spriel | 5db6e95 | 2012-09-27 14:17:53 +0200 | [diff] [blame] | 5147 | wdev = brcmf_alloc_wdev(busdev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5148 | if (IS_ERR(wdev)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5149 | return NULL; |
| 5150 | } |
| 5151 | |
| 5152 | wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5153 | cfg = wdev_to_cfg(wdev); |
| 5154 | cfg->wdev = wdev; |
| 5155 | cfg->pub = drvr; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5156 | ndev->ieee80211_ptr = wdev; |
| 5157 | SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); |
| 5158 | wdev->netdev = ndev; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5159 | err = wl_init_priv(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5160 | if (err) { |
| 5161 | WL_ERR("Failed to init iwm_priv (%d)\n", err); |
| 5162 | goto cfg80211_attach_out; |
| 5163 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5164 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5165 | return cfg; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5166 | |
| 5167 | cfg80211_attach_out: |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5168 | brcmf_free_wdev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5169 | return NULL; |
| 5170 | } |
| 5171 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5172 | void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5173 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5174 | wl_deinit_priv(cfg); |
| 5175 | brcmf_free_wdev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5176 | } |
| 5177 | |
| 5178 | void |
| 5179 | brcmf_cfg80211_event(struct net_device *ndev, |
| 5180 | const struct brcmf_event_msg *e, void *data) |
| 5181 | { |
| 5182 | u32 event_type = be32_to_cpu(e->event_type); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5183 | struct brcmf_cfg80211_info *cfg = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5184 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5185 | if (!brcmf_enq_event(cfg, event_type, e, data)) |
| 5186 | schedule_work(&cfg->event_work); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5187 | } |
| 5188 | |
| 5189 | static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype) |
| 5190 | { |
| 5191 | s32 infra = 0; |
| 5192 | s32 err = 0; |
| 5193 | |
| 5194 | switch (iftype) { |
| 5195 | case NL80211_IFTYPE_MONITOR: |
| 5196 | case NL80211_IFTYPE_WDS: |
| 5197 | WL_ERR("type (%d) : currently we do not support this mode\n", |
| 5198 | iftype); |
| 5199 | err = -EINVAL; |
| 5200 | return err; |
| 5201 | case NL80211_IFTYPE_ADHOC: |
| 5202 | infra = 0; |
| 5203 | break; |
| 5204 | case NL80211_IFTYPE_STATION: |
| 5205 | infra = 1; |
| 5206 | break; |
Hante Meuleman | 1a87334 | 2012-09-27 14:17:54 +0200 | [diff] [blame] | 5207 | case NL80211_IFTYPE_AP: |
| 5208 | infra = 1; |
| 5209 | break; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5210 | default: |
| 5211 | err = -EINVAL; |
| 5212 | WL_ERR("invalid type (%d)\n", iftype); |
| 5213 | return err; |
| 5214 | } |
| 5215 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); |
| 5216 | if (err) { |
| 5217 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); |
| 5218 | return err; |
| 5219 | } |
| 5220 | |
| 5221 | return 0; |
| 5222 | } |
| 5223 | |
| 5224 | static s32 brcmf_dongle_eventmsg(struct net_device *ndev) |
| 5225 | { |
| 5226 | /* Room for "event_msgs" + '\0' + bitvec */ |
| 5227 | s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; |
| 5228 | s8 eventmask[BRCMF_EVENTING_MASK_LEN]; |
| 5229 | s32 err = 0; |
| 5230 | |
| 5231 | WL_TRACE("Enter\n"); |
| 5232 | |
| 5233 | /* Setup event_msgs */ |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 5234 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
| 5235 | iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5236 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf)); |
| 5237 | if (err) { |
| 5238 | WL_ERR("Get event_msgs error (%d)\n", err); |
| 5239 | goto dongle_eventmsg_out; |
| 5240 | } |
| 5241 | memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); |
| 5242 | |
| 5243 | setbit(eventmask, BRCMF_E_SET_SSID); |
| 5244 | setbit(eventmask, BRCMF_E_ROAM); |
| 5245 | setbit(eventmask, BRCMF_E_PRUNE); |
| 5246 | setbit(eventmask, BRCMF_E_AUTH); |
| 5247 | setbit(eventmask, BRCMF_E_REASSOC); |
| 5248 | setbit(eventmask, BRCMF_E_REASSOC_IND); |
| 5249 | setbit(eventmask, BRCMF_E_DEAUTH_IND); |
| 5250 | setbit(eventmask, BRCMF_E_DISASSOC_IND); |
| 5251 | setbit(eventmask, BRCMF_E_DISASSOC); |
| 5252 | setbit(eventmask, BRCMF_E_JOIN); |
| 5253 | setbit(eventmask, BRCMF_E_ASSOC_IND); |
| 5254 | setbit(eventmask, BRCMF_E_PSK_SUP); |
| 5255 | setbit(eventmask, BRCMF_E_LINK); |
| 5256 | setbit(eventmask, BRCMF_E_NDIS_LINK); |
| 5257 | setbit(eventmask, BRCMF_E_MIC_ERROR); |
| 5258 | setbit(eventmask, BRCMF_E_PMKID_CACHE); |
| 5259 | setbit(eventmask, BRCMF_E_TXFAIL); |
| 5260 | setbit(eventmask, BRCMF_E_JOIN_START); |
| 5261 | setbit(eventmask, BRCMF_E_SCAN_COMPLETE); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame] | 5262 | setbit(eventmask, BRCMF_E_ESCAN_RESULT); |
Arend van Spriel | e580607 | 2012-09-19 22:21:08 +0200 | [diff] [blame] | 5263 | setbit(eventmask, BRCMF_E_PFN_NET_FOUND); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5264 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 5265 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
| 5266 | iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5267 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
| 5268 | if (err) { |
| 5269 | WL_ERR("Set event_msgs error (%d)\n", err); |
| 5270 | goto dongle_eventmsg_out; |
| 5271 | } |
| 5272 | |
| 5273 | dongle_eventmsg_out: |
| 5274 | WL_TRACE("Exit\n"); |
| 5275 | return err; |
| 5276 | } |
| 5277 | |
| 5278 | static s32 |
| 5279 | brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) |
| 5280 | { |
| 5281 | s8 iovbuf[32]; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5282 | s32 err = 0; |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5283 | __le32 roamtrigger[2]; |
| 5284 | __le32 roam_delta[2]; |
| 5285 | __le32 bcn_to_le; |
| 5286 | __le32 roamvar_le; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5287 | |
| 5288 | /* |
| 5289 | * Setup timeout if Beacons are lost and roam is |
| 5290 | * off to report link down |
| 5291 | */ |
| 5292 | if (roamvar) { |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5293 | bcn_to_le = cpu_to_le32(bcn_timeout); |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 5294 | brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le, |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5295 | sizeof(bcn_to_le), iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5296 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, |
| 5297 | iovbuf, sizeof(iovbuf)); |
| 5298 | if (err) { |
| 5299 | WL_ERR("bcn_timeout error (%d)\n", err); |
| 5300 | goto dongle_rom_out; |
| 5301 | } |
| 5302 | } |
| 5303 | |
| 5304 | /* |
| 5305 | * Enable/Disable built-in roaming to allow supplicant |
| 5306 | * to take care of roaming |
| 5307 | */ |
| 5308 | WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On"); |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5309 | roamvar_le = cpu_to_le32(roamvar); |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 5310 | brcmf_c_mkiovar("roam_off", (char *)&roamvar_le, |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5311 | sizeof(roamvar_le), iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5312 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
| 5313 | if (err) { |
| 5314 | WL_ERR("roam_off error (%d)\n", err); |
| 5315 | goto dongle_rom_out; |
| 5316 | } |
| 5317 | |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5318 | roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); |
| 5319 | roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5320 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER, |
| 5321 | (void *)roamtrigger, sizeof(roamtrigger)); |
| 5322 | if (err) { |
| 5323 | WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err); |
| 5324 | goto dongle_rom_out; |
| 5325 | } |
| 5326 | |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 5327 | roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); |
| 5328 | roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5329 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA, |
| 5330 | (void *)roam_delta, sizeof(roam_delta)); |
| 5331 | if (err) { |
| 5332 | WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err); |
| 5333 | goto dongle_rom_out; |
| 5334 | } |
| 5335 | |
| 5336 | dongle_rom_out: |
| 5337 | return err; |
| 5338 | } |
| 5339 | |
| 5340 | static s32 |
| 5341 | brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 5342 | s32 scan_unassoc_time, s32 scan_passive_time) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5343 | { |
| 5344 | s32 err = 0; |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 5345 | __le32 scan_assoc_tm_le = cpu_to_le32(scan_assoc_time); |
| 5346 | __le32 scan_unassoc_tm_le = cpu_to_le32(scan_unassoc_time); |
| 5347 | __le32 scan_passive_tm_le = cpu_to_le32(scan_passive_time); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5348 | |
| 5349 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 5350 | &scan_assoc_tm_le, sizeof(scan_assoc_tm_le)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5351 | if (err) { |
| 5352 | if (err == -EOPNOTSUPP) |
| 5353 | WL_INFO("Scan assoc time is not supported\n"); |
| 5354 | else |
| 5355 | WL_ERR("Scan assoc time error (%d)\n", err); |
| 5356 | goto dongle_scantime_out; |
| 5357 | } |
| 5358 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 5359 | &scan_unassoc_tm_le, sizeof(scan_unassoc_tm_le)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5360 | if (err) { |
| 5361 | if (err == -EOPNOTSUPP) |
| 5362 | WL_INFO("Scan unassoc time is not supported\n"); |
| 5363 | else |
| 5364 | WL_ERR("Scan unassoc time error (%d)\n", err); |
| 5365 | goto dongle_scantime_out; |
| 5366 | } |
| 5367 | |
| 5368 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 5369 | &scan_passive_tm_le, sizeof(scan_passive_tm_le)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5370 | if (err) { |
| 5371 | if (err == -EOPNOTSUPP) |
| 5372 | WL_INFO("Scan passive time is not supported\n"); |
| 5373 | else |
| 5374 | WL_ERR("Scan passive time error (%d)\n", err); |
| 5375 | goto dongle_scantime_out; |
| 5376 | } |
| 5377 | |
| 5378 | dongle_scantime_out: |
| 5379 | return err; |
| 5380 | } |
| 5381 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5382 | static s32 wl_update_wiphybands(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5383 | { |
| 5384 | struct wiphy *wiphy; |
| 5385 | s32 phy_list; |
| 5386 | s8 phy; |
| 5387 | s32 err = 0; |
| 5388 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5389 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg), BRCM_GET_PHYLIST, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5390 | &phy_list, sizeof(phy_list)); |
| 5391 | if (err) { |
| 5392 | WL_ERR("error (%d)\n", err); |
| 5393 | return err; |
| 5394 | } |
| 5395 | |
Hante Meuleman | 3ba8137 | 2012-09-19 22:21:13 +0200 | [diff] [blame] | 5396 | phy = ((char *)&phy_list)[0]; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5397 | WL_INFO("%c phy\n", phy); |
| 5398 | if (phy == 'n' || phy == 'a') { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5399 | wiphy = cfg_to_wiphy(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5400 | wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; |
| 5401 | } |
| 5402 | |
| 5403 | return err; |
| 5404 | } |
| 5405 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5406 | static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5407 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5408 | return wl_update_wiphybands(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5409 | } |
| 5410 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5411 | static s32 brcmf_config_dongle(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5412 | { |
| 5413 | struct net_device *ndev; |
| 5414 | struct wireless_dev *wdev; |
| 5415 | s32 power_mode; |
| 5416 | s32 err = 0; |
| 5417 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5418 | if (cfg->dongle_up) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5419 | return err; |
| 5420 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5421 | ndev = cfg_to_ndev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5422 | wdev = ndev->ieee80211_ptr; |
| 5423 | |
| 5424 | brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME, |
| 5425 | WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); |
| 5426 | |
| 5427 | err = brcmf_dongle_eventmsg(ndev); |
| 5428 | if (err) |
| 5429 | goto default_conf_out; |
| 5430 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5431 | power_mode = cfg->pwr_save ? PM_FAST : PM_OFF; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5432 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode); |
| 5433 | if (err) |
| 5434 | goto default_conf_out; |
| 5435 | WL_INFO("power save set to %s\n", |
| 5436 | (power_mode ? "enabled" : "disabled")); |
| 5437 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5438 | err = brcmf_dongle_roam(ndev, (cfg->roam_on ? 0 : 1), |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5439 | WL_BEACON_TIMEOUT); |
| 5440 | if (err) |
| 5441 | goto default_conf_out; |
| 5442 | err = brcmf_dongle_mode(ndev, wdev->iftype); |
| 5443 | if (err && err != -EINPROGRESS) |
| 5444 | goto default_conf_out; |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5445 | err = brcmf_dongle_probecap(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5446 | if (err) |
| 5447 | goto default_conf_out; |
| 5448 | |
| 5449 | /* -EINPROGRESS: Call commit handler */ |
| 5450 | |
| 5451 | default_conf_out: |
| 5452 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5453 | cfg->dongle_up = true; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5454 | |
| 5455 | return err; |
| 5456 | |
| 5457 | } |
| 5458 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5459 | static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5460 | { |
| 5461 | char buf[10+IFNAMSIZ]; |
| 5462 | struct dentry *fd; |
| 5463 | s32 err = 0; |
| 5464 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5465 | sprintf(buf, "netdev:%s", cfg_to_ndev(cfg)->name); |
| 5466 | cfg->debugfsdir = debugfs_create_dir(buf, |
| 5467 | cfg_to_wiphy(cfg)->debugfsdir); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5468 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5469 | fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg->debugfsdir, |
| 5470 | (u16 *)&cfg->profile->beacon_interval); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5471 | if (!fd) { |
| 5472 | err = -ENOMEM; |
| 5473 | goto err_out; |
| 5474 | } |
| 5475 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5476 | fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg->debugfsdir, |
| 5477 | (u8 *)&cfg->profile->dtim_period); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5478 | if (!fd) { |
| 5479 | err = -ENOMEM; |
| 5480 | goto err_out; |
| 5481 | } |
| 5482 | |
| 5483 | err_out: |
| 5484 | return err; |
| 5485 | } |
| 5486 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5487 | static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5488 | { |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5489 | debugfs_remove_recursive(cfg->debugfsdir); |
| 5490 | cfg->debugfsdir = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5491 | } |
| 5492 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5493 | static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5494 | { |
| 5495 | s32 err = 0; |
| 5496 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5497 | set_bit(WL_STATUS_READY, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5498 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5499 | brcmf_debugfs_add_netdev_params(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5500 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5501 | err = brcmf_config_dongle(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5502 | if (err) |
| 5503 | return err; |
| 5504 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5505 | brcmf_invoke_iscan(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5506 | |
| 5507 | return err; |
| 5508 | } |
| 5509 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5510 | static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5511 | { |
| 5512 | /* |
| 5513 | * While going down, if associated with AP disassociate |
| 5514 | * from AP to save power |
| 5515 | */ |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5516 | if ((test_bit(WL_STATUS_CONNECTED, &cfg->status) || |
| 5517 | test_bit(WL_STATUS_CONNECTING, &cfg->status)) && |
| 5518 | test_bit(WL_STATUS_READY, &cfg->status)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5519 | WL_INFO("Disassociating from AP"); |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5520 | brcmf_link_down(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5521 | |
| 5522 | /* Make sure WPA_Supplicant receives all the event |
| 5523 | generated due to DISASSOC call to the fw to keep |
| 5524 | the state fw and WPA_Supplicant state consistent |
| 5525 | */ |
| 5526 | brcmf_delay(500); |
| 5527 | } |
| 5528 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5529 | brcmf_abort_scanning(cfg); |
| 5530 | clear_bit(WL_STATUS_READY, &cfg->status); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5531 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5532 | brcmf_debugfs_remove_netdev(cfg); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5533 | |
| 5534 | return 0; |
| 5535 | } |
| 5536 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5537 | s32 brcmf_cfg80211_up(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5538 | { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5539 | s32 err = 0; |
| 5540 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5541 | mutex_lock(&cfg->usr_sync); |
| 5542 | err = __brcmf_cfg80211_up(cfg); |
| 5543 | mutex_unlock(&cfg->usr_sync); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5544 | |
| 5545 | return err; |
| 5546 | } |
| 5547 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5548 | s32 brcmf_cfg80211_down(struct brcmf_cfg80211_info *cfg) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5549 | { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5550 | s32 err = 0; |
| 5551 | |
Arend van Spriel | 27a68fe | 2012-09-27 14:17:55 +0200 | [diff] [blame] | 5552 | mutex_lock(&cfg->usr_sync); |
| 5553 | err = __brcmf_cfg80211_down(cfg); |
| 5554 | mutex_unlock(&cfg->usr_sync); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 5555 | |
| 5556 | return err; |
| 5557 | } |
| 5558 | |